Home / 1,000,359.10-1,500,538.65-942,622.30

Finding the Fourth Proportional to 1,000,359.10, 1,500,538.65 and 942,622.30

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Solution

The fourth proportional to 1,000,359.10, 1,500,538.65 and 942,622.30 is: 1,413,933.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,000,359.10 : 1,500,538.65 = 942,622.30 : x
  2. Step 2: Convert to fraction form
    1,000,359.10/1,500,538.65 = 942,622.30/x
  3. Step 3: Cross multiply
    1,000,359.10x = 1,500,538.65 × 942,622.30
  4. Step 4: Simplify right side
    1,000,359.10x = 1,414,441,193,501.90
  5. Step 5: Solve for x
    x = 1,414,441,193,501.90/1,000,359.10
  6. Step 6: Final answer
    x = 1,413,933.45

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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.