Home / 1,148,770.67-1,723,164.55-429,275.00

Finding the Fourth Proportional to 1,148,770.67, 1,723,164.55 and 429,275.00

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Solution

The fourth proportional to 1,148,770.67, 1,723,164.55 and 429,275.00 is: 643,915.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,148,770.67 : 1,723,164.55 = 429,275.00 : x
  2. Step 2: Convert to fraction form
    1,148,770.67/1,723,164.55 = 429,275.00/x
  3. Step 3: Cross multiply
    1,148,770.67x = 1,723,164.55 × 429,275.00
  4. Step 4: Simplify right side
    1,148,770.67x = 739,711,465,435.97
  5. Step 5: Solve for x
    x = 739,711,465,435.97/1,148,770.67
  6. Step 6: Final answer
    x = 643,915.70

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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.