Home / 1,032,871.02-1,423,859.77-721,807.84

Finding the Fourth Proportional to 1,032,871.02, 1,423,859.77 and 721,807.84

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Solution

The fourth proportional to 1,032,871.02, 1,423,859.77 and 721,807.84 is: 995,045.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,032,871.02 : 1,423,859.77 = 721,807.84 : x
  2. Step 2: Convert to fraction form
    1,032,871.02/1,423,859.77 = 721,807.84/x
  3. Step 3: Cross multiply
    1,032,871.02x = 1,423,859.77 × 721,807.84
  4. Step 4: Simplify right side
    1,032,871.02x = 1,027,753,141,437.56
  5. Step 5: Solve for x
    x = 1,027,753,141,437.56/1,032,871.02
  6. Step 6: Final answer
    x = 995,045.00

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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.