Home / 1,108,830.30-1,664,023.05-710,439.90

Finding the Fourth Proportional to 1,108,830.30, 1,664,023.05 and 710,439.90

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Solution

The fourth proportional to 1,108,830.30, 1,664,023.05 and 710,439.90 is: 1,066,158.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,108,830.30 : 1,664,023.05 = 710,439.90 : x
  2. Step 2: Convert to fraction form
    1,108,830.30/1,664,023.05 = 710,439.90/x
  3. Step 3: Cross multiply
    1,108,830.30x = 1,664,023.05 × 710,439.90
  4. Step 4: Simplify right side
    1,108,830.30x = 1,182,188,369,239.70
  5. Step 5: Solve for x
    x = 1,182,188,369,239.70/1,108,830.30
  6. Step 6: Final answer
    x = 1,066,158.07

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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.