Home / 1,011,988-1,396,524.72-559,269.28

Finding the Fourth Proportional to 1,011,988, 1,396,524.72 and 559,269.28

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Solution

The fourth proportional to 1,011,988, 1,396,524.72 and 559,269.28 is: 771,781.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,011,988 : 1,396,524.72 = 559,269.28 : x
  2. Step 2: Convert to fraction form
    1,011,988/1,396,524.72 = 559,269.28/x
  3. Step 3: Cross multiply
    1,011,988x = 1,396,524.72 × 559,269.28
  4. Step 4: Simplify right side
    1,011,988x = 781,033,374,656.60
  5. Step 5: Solve for x
    x = 781,033,374,656.60/1,011,988
  6. Step 6: Final answer
    x = 771,781.26

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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.