Home / 972,000.30-1,458,000.45-688,565.10

Finding the Fourth Proportional to 972,000.30, 1,458,000.45 and 688,565.10

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Solution

The fourth proportional to 972,000.30, 1,458,000.45 and 688,565.10 is: 1,032,847.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    972,000.30 : 1,458,000.45 = 688,565.10 : x
  2. Step 2: Convert to fraction form
    972,000.30/1,458,000.45 = 688,565.10/x
  3. Step 3: Cross multiply
    972,000.30x = 1,458,000.45 × 688,565.10
  4. Step 4: Simplify right side
    972,000.30x = 1,003,928,225,654.30
  5. Step 5: Solve for x
    x = 1,003,928,225,654.30/972,000.30
  6. Step 6: Final answer
    x = 1,032,847.65

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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.