Home / 1,432,807.60-1,977,290.86-820,948.04

Finding the Fourth Proportional to 1,432,807.60, 1,977,290.86 and 820,948.04

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Solution

The fourth proportional to 1,432,807.60, 1,977,290.86 and 820,948.04 is: 1,132,917.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,432,807.60 : 1,977,290.86 = 820,948.04 : x
  2. Step 2: Convert to fraction form
    1,432,807.60/1,977,290.86 = 820,948.04/x
  3. Step 3: Cross multiply
    1,432,807.60x = 1,977,290.86 × 820,948.04
  4. Step 4: Simplify right side
    1,432,807.60x = 1,623,253,056,026.91
  5. Step 5: Solve for x
    x = 1,623,253,056,026.91/1,432,807.60
  6. Step 6: Final answer
    x = 1,132,917.68

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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.