Home / 1,012,287.16-1,396,901.46-559,549

Finding the Fourth Proportional to 1,012,287.16, 1,396,901.46 and 559,549

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Solution

The fourth proportional to 1,012,287.16, 1,396,901.46 and 559,549 is: 772,147.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,012,287.16 : 1,396,901.46 = 559,549 : x
  2. Step 2: Convert to fraction form
    1,012,287.16/1,396,901.46 = 559,549/x
  3. Step 3: Cross multiply
    1,012,287.16x = 1,396,901.46 × 559,549
  4. Step 4: Simplify right side
    1,012,287.16x = 781,634,815,041.54
  5. Step 5: Solve for x
    x = 781,634,815,041.54/1,012,287.16
  6. Step 6: Final answer
    x = 772,147.32

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.