Home / 991,864.74-1,486,551.88-536,437.82

Finding the Fourth Proportional to 991,864.74, 1,486,551.88 and 536,437.82

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Solution

The fourth proportional to 991,864.74, 1,486,551.88 and 536,437.82 is: 803,983.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    991,864.74 : 1,486,551.88 = 536,437.82 : x
  2. Step 2: Convert to fraction form
    991,864.74/1,486,551.88 = 536,437.82/x
  3. Step 3: Cross multiply
    991,864.74x = 1,486,551.88 × 536,437.82
  4. Step 4: Simplify right side
    991,864.74x = 797,442,649,824.10
  5. Step 5: Solve for x
    x = 797,442,649,824.10/991,864.74
  6. Step 6: Final answer
    x = 803,983.26

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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.