Home / 1,139,429.10-1,707,070.05-927,921.90

Finding the Fourth Proportional to 1,139,429.10, 1,707,070.05 and 927,921.90

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Solution

The fourth proportional to 1,139,429.10, 1,707,070.05 and 927,921.90 is: 1,390,194.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,139,429.10 : 1,707,070.05 = 927,921.90 : x
  2. Step 2: Convert to fraction form
    1,139,429.10/1,707,070.05 = 927,921.90/x
  3. Step 3: Cross multiply
    1,139,429.10x = 1,707,070.05 × 927,921.90
  4. Step 4: Simplify right side
    1,139,429.10x = 1,584,027,684,229.10
  5. Step 5: Solve for x
    x = 1,584,027,684,229.10/1,139,429.10
  6. Step 6: Final answer
    x = 1,390,194.16

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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.