Home / 1,472,705.68-2,032,345.92-828,120.24

Finding the Fourth Proportional to 1,472,705.68, 2,032,345.92 and 828,120.24

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Solution

The fourth proportional to 1,472,705.68, 2,032,345.92 and 828,120.24 is: 1,142,812.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,472,705.68 : 2,032,345.92 = 828,120.24 : x
  2. Step 2: Convert to fraction form
    1,472,705.68/2,032,345.92 = 828,120.24/x
  3. Step 3: Cross multiply
    1,472,705.68x = 2,032,345.92 × 828,120.24
  4. Step 4: Simplify right side
    1,472,705.68x = 1,683,026,791,033.42
  5. Step 5: Solve for x
    x = 1,683,026,791,033.42/1,472,705.68
  6. Step 6: Final answer
    x = 1,142,812.72

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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.