Home / 1,378,853.52-2,068,280.88-432,298.05

Finding the Fourth Proportional to 1,378,853.52, 2,068,280.88 and 432,298.05

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Solution

The fourth proportional to 1,378,853.52, 2,068,280.88 and 432,298.05 is: 648,447.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,378,853.52 : 2,068,280.88 = 432,298.05 : x
  2. Step 2: Convert to fraction form
    1,378,853.52/2,068,280.88 = 432,298.05/x
  3. Step 3: Cross multiply
    1,378,853.52x = 2,068,280.88 × 432,298.05
  4. Step 4: Simplify right side
    1,378,853.52x = 894,113,780,934.88
  5. Step 5: Solve for x
    x = 894,113,780,934.88/1,378,853.52
  6. Step 6: Final answer
    x = 648,447.26

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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.