Home / 1,011,699.12-1,517,099.40-538,284.72

Finding the Fourth Proportional to 1,011,699.12, 1,517,099.40 and 538,284.72

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Solution

The fourth proportional to 1,011,699.12, 1,517,099.40 and 538,284.72 is: 807,188.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,011,699.12 : 1,517,099.40 = 538,284.72 : x
  2. Step 2: Convert to fraction form
    1,011,699.12/1,517,099.40 = 538,284.72/x
  3. Step 3: Cross multiply
    1,011,699.12x = 1,517,099.40 × 538,284.72
  4. Step 4: Simplify right side
    1,011,699.12x = 816,631,425,741.17
  5. Step 5: Solve for x
    x = 816,631,425,741.17/1,011,699.12
  6. Step 6: Final answer
    x = 807,188.04

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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.