Home / 1,031,380.80-1,423,283.40-572,468.64

Finding the Fourth Proportional to 1,031,380.80, 1,423,283.40 and 572,468.64

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Solution

The fourth proportional to 1,031,380.80, 1,423,283.40 and 572,468.64 is: 789,994.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,031,380.80 : 1,423,283.40 = 572,468.64 : x
  2. Step 2: Convert to fraction form
    1,031,380.80/1,423,283.40 = 572,468.64/x
  3. Step 3: Cross multiply
    1,031,380.80x = 1,423,283.40 × 572,468.64
  4. Step 4: Simplify right side
    1,031,380.80x = 814,785,112,332.58
  5. Step 5: Solve for x
    x = 814,785,112,332.58/1,031,380.80
  6. Step 6: Final answer
    x = 789,994.45

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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.