Home / 1,092,261.10-1,641,890.85-778,888.30

Finding the Fourth Proportional to 1,092,261.10, 1,641,890.85 and 778,888.30

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Solution

The fourth proportional to 1,092,261.10, 1,641,890.85 and 778,888.30 is: 1,170,827.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,092,261.10 : 1,641,890.85 = 778,888.30 : x
  2. Step 2: Convert to fraction form
    1,092,261.10/1,641,890.85 = 778,888.30/x
  3. Step 3: Cross multiply
    1,092,261.10x = 1,641,890.85 × 778,888.30
  4. Step 4: Simplify right side
    1,092,261.10x = 1,278,849,572,942.06
  5. Step 5: Solve for x
    x = 1,278,849,572,942.06/1,092,261.10
  6. Step 6: Final answer
    x = 1,170,827.72

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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.