Home / 712,886.48-1,071,001.84-672,535.52

Finding the Fourth Proportional to 712,886.48, 1,071,001.84 and 672,535.52

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Solution

The fourth proportional to 712,886.48, 1,071,001.84 and 672,535.52 is: 1,010,380.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    712,886.48 : 1,071,001.84 = 672,535.52 : x
  2. Step 2: Convert to fraction form
    712,886.48/1,071,001.84 = 672,535.52/x
  3. Step 3: Cross multiply
    712,886.48x = 1,071,001.84 × 672,535.52
  4. Step 4: Simplify right side
    712,886.48x = 720,286,779,385.36
  5. Step 5: Solve for x
    x = 720,286,779,385.36/712,886.48
  6. Step 6: Final answer
    x = 1,010,380.75

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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.