Home / 1,012,417.76-1,518,108.96-338,255.84

Finding the Fourth Proportional to 1,012,417.76, 1,518,108.96 and 338,255.84

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Solution

The fourth proportional to 1,012,417.76, 1,518,108.96 and 338,255.84 is: 507,210.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,012,417.76 : 1,518,108.96 = 338,255.84 : x
  2. Step 2: Convert to fraction form
    1,012,417.76/1,518,108.96 = 338,255.84/x
  3. Step 3: Cross multiply
    1,012,417.76x = 1,518,108.96 × 338,255.84
  4. Step 4: Simplify right side
    1,012,417.76x = 513,509,221,476.33
  5. Step 5: Solve for x
    x = 513,509,221,476.33/1,012,417.76
  6. Step 6: Final answer
    x = 507,210.80

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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.