Home / 1,012,288.16-1,396,902.84-559,550

Finding the Fourth Proportional to 1,012,288.16, 1,396,902.84 and 559,550

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Solution

The fourth proportional to 1,012,288.16, 1,396,902.84 and 559,550 is: 772,148.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,012,288.16 : 1,396,902.84 = 559,550 : x
  2. Step 2: Convert to fraction form
    1,012,288.16/1,396,902.84 = 559,550/x
  3. Step 3: Cross multiply
    1,012,288.16x = 1,396,902.84 × 559,550
  4. Step 4: Simplify right side
    1,012,288.16x = 781,636,984,122
  5. Step 5: Solve for x
    x = 781,636,984,122/1,012,288.16
  6. Step 6: Final answer
    x = 772,148.70

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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.