Home / 1,341,417.09-2,012,126.78-330,539.19

Finding the Fourth Proportional to 1,341,417.09, 2,012,126.78 and 330,539.19

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Solution

The fourth proportional to 1,341,417.09, 2,012,126.78 and 330,539.19 is: 495,809.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,341,417.09 : 2,012,126.78 = 330,539.19 : x
  2. Step 2: Convert to fraction form
    1,341,417.09/2,012,126.78 = 330,539.19/x
  3. Step 3: Cross multiply
    1,341,417.09x = 2,012,126.78 × 330,539.19
  4. Step 4: Simplify right side
    1,341,417.09x = 665,086,756,038.51
  5. Step 5: Solve for x
    x = 665,086,756,038.51/1,341,417.09
  6. Step 6: Final answer
    x = 495,809.07

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.