Home / 1,312,277.76-1,811,108.16-739,454.40

Finding the Fourth Proportional to 1,312,277.76, 1,811,108.16 and 739,454.40

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Solution

The fourth proportional to 1,312,277.76, 1,811,108.16 and 739,454.40 is: 1,020,539.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,312,277.76 : 1,811,108.16 = 739,454.40 : x
  2. Step 2: Convert to fraction form
    1,312,277.76/1,811,108.16 = 739,454.40/x
  3. Step 3: Cross multiply
    1,312,277.76x = 1,811,108.16 × 739,454.40
  4. Step 4: Simplify right side
    1,312,277.76x = 1,339,231,897,787.90
  5. Step 5: Solve for x
    x = 1,339,231,897,787.90/1,312,277.76
  6. Step 6: Final answer
    x = 1,020,539.96

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.