Home / 1,403,631.81-2,105,228.09-456,996.15

Finding the Fourth Proportional to 1,403,631.81, 2,105,228.09 and 456,996.15

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Solution

The fourth proportional to 1,403,631.81, 2,105,228.09 and 456,996.15 is: 685,422.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,403,631.81 : 2,105,228.09 = 456,996.15 : x
  2. Step 2: Convert to fraction form
    1,403,631.81/2,105,228.09 = 456,996.15/x
  3. Step 3: Cross multiply
    1,403,631.81x = 2,105,228.09 × 456,996.15
  4. Step 4: Simplify right side
    1,403,631.81x = 962,081,133,144.34
  5. Step 5: Solve for x
    x = 962,081,133,144.34/1,403,631.81
  6. Step 6: Final answer
    x = 685,422.72

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Double scale
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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.