Home / 1,432,805.60-1,977,288.10-820,946.04

Finding the Fourth Proportional to 1,432,805.60, 1,977,288.10 and 820,946.04

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Solution

The fourth proportional to 1,432,805.60, 1,977,288.10 and 820,946.04 is: 1,132,914.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,432,805.60 : 1,977,288.10 = 820,946.04 : x
  2. Step 2: Convert to fraction form
    1,432,805.60/1,977,288.10 = 820,946.04/x
  3. Step 3: Cross multiply
    1,432,805.60x = 1,977,288.10 × 820,946.04
  4. Step 4: Simplify right side
    1,432,805.60x = 1,623,246,835,634.12
  5. Step 5: Solve for x
    x = 1,623,246,835,634.12/1,432,805.60
  6. Step 6: Final answer
    x = 1,132,914.92

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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.