Home / 1,428,304.15-2,142,468.35-363,347.11

Finding the Fourth Proportional to 1,428,304.15, 2,142,468.35 and 363,347.11

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Solution

The fourth proportional to 1,428,304.15, 2,142,468.35 and 363,347.11 is: 545,023.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,428,304.15 : 2,142,468.35 = 363,347.11 : x
  2. Step 2: Convert to fraction form
    1,428,304.15/2,142,468.35 = 363,347.11/x
  3. Step 3: Cross multiply
    1,428,304.15x = 2,142,468.35 × 363,347.11
  4. Step 4: Simplify right side
    1,428,304.15x = 778,459,681,422.23
  5. Step 5: Solve for x
    x = 778,459,681,422.23/1,428,304.15
  6. Step 6: Final answer
    x = 545,023.75

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.