Home / 1,472,686.65-2,032,319.72-828,101.20

Finding the Fourth Proportional to 1,472,686.65, 2,032,319.72 and 828,101.20

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Solution

The fourth proportional to 1,472,686.65, 2,032,319.72 and 828,101.20 is: 1,142,786.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,472,686.65 : 2,032,319.72 = 828,101.20 : x
  2. Step 2: Convert to fraction form
    1,472,686.65/2,032,319.72 = 828,101.20/x
  3. Step 3: Cross multiply
    1,472,686.65x = 2,032,319.72 × 828,101.20
  4. Step 4: Simplify right side
    1,472,686.65x = 1,682,966,398,915.66
  5. Step 5: Solve for x
    x = 1,682,966,398,915.66/1,472,686.65
  6. Step 6: Final answer
    x = 1,142,786.48

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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.