Home / 1,221,779.62-1,680,076.98-1,060,354.42

Finding the Fourth Proportional to 1,221,779.62, 1,680,076.98 and 1,060,354.42

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Solution

The fourth proportional to 1,221,779.62, 1,680,076.98 and 1,060,354.42 is: 1,458,100.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,221,779.62 : 1,680,076.98 = 1,060,354.42 : x
  2. Step 2: Convert to fraction form
    1,221,779.62/1,680,076.98 = 1,060,354.42/x
  3. Step 3: Cross multiply
    1,221,779.62x = 1,680,076.98 × 1,060,354.42
  4. Step 4: Simplify right side
    1,221,779.62x = 1,781,477,051,683.25
  5. Step 5: Solve for x
    x = 1,781,477,051,683.25/1,221,779.62
  6. Step 6: Final answer
    x = 1,458,100.15

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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.