Home / 843,280.60-1,265,612.10-815,632.60

Finding the Fourth Proportional to 843,280.60, 1,265,612.10 and 815,632.60

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Solution

The fourth proportional to 843,280.60, 1,265,612.10 and 815,632.60 is: 1,224,117.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    843,280.60 : 1,265,612.10 = 815,632.60 : x
  2. Step 2: Convert to fraction form
    843,280.60/1,265,612.10 = 815,632.60/x
  3. Step 3: Cross multiply
    843,280.60x = 1,265,612.10 × 815,632.60
  4. Step 4: Simplify right side
    843,280.60x = 1,032,274,487,714.46
  5. Step 5: Solve for x
    x = 1,032,274,487,714.46/843,280.60
  6. Step 6: Final answer
    x = 1,224,117.44

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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.