Home / 1,248,421.95-1,722,332.10-725,043.47

Finding the Fourth Proportional to 1,248,421.95, 1,722,332.10 and 725,043.47

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Solution

The fourth proportional to 1,248,421.95, 1,722,332.10 and 725,043.47 is: 1,000,275.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,248,421.95 : 1,722,332.10 = 725,043.47 : x
  2. Step 2: Convert to fraction form
    1,248,421.95/1,722,332.10 = 725,043.47/x
  3. Step 3: Cross multiply
    1,248,421.95x = 1,722,332.10 × 725,043.47
  4. Step 4: Simplify right side
    1,248,421.95x = 1,248,765,630,039.51
  5. Step 5: Solve for x
    x = 1,248,765,630,039.51/1,248,421.95
  6. Step 6: Final answer
    x = 1,000,275.30

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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.