Home / 1,265,336.32-1,897,864.08-318,706.96

Finding the Fourth Proportional to 1,265,336.32, 1,897,864.08 and 318,706.96

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Solution

The fourth proportional to 1,265,336.32, 1,897,864.08 and 318,706.96 is: 478,025.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,265,336.32 : 1,897,864.08 = 318,706.96 : x
  2. Step 2: Convert to fraction form
    1,265,336.32/1,897,864.08 = 318,706.96/x
  3. Step 3: Cross multiply
    1,265,336.32x = 1,897,864.08 × 318,706.96
  4. Step 4: Simplify right side
    1,265,336.32x = 604,862,491,430.00
  5. Step 5: Solve for x
    x = 604,862,491,430.00/1,265,336.32
  6. Step 6: Final answer
    x = 478,025.08

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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.