Home / 1,142,617.60-1,714,363.80-1,124,684.20

Finding the Fourth Proportional to 1,142,617.60, 1,714,363.80 and 1,124,684.20

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Solution

The fourth proportional to 1,142,617.60, 1,714,363.80 and 1,124,684.20 is: 1,687,456.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,142,617.60 : 1,714,363.80 = 1,124,684.20 : x
  2. Step 2: Convert to fraction form
    1,142,617.60/1,714,363.80 = 1,124,684.20/x
  3. Step 3: Cross multiply
    1,142,617.60x = 1,714,363.80 × 1,124,684.20
  4. Step 4: Simplify right side
    1,142,617.60x = 1,928,117,878,911.96
  5. Step 5: Solve for x
    x = 1,928,117,878,911.96/1,142,617.60
  6. Step 6: Final answer
    x = 1,687,456.84

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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.