Home / 1,334,432.64-1,841,561.28-730,853.76

Finding the Fourth Proportional to 1,334,432.64, 1,841,561.28 and 730,853.76

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Solution

The fourth proportional to 1,334,432.64, 1,841,561.28 and 730,853.76 is: 1,008,602.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,334,432.64 : 1,841,561.28 = 730,853.76 : x
  2. Step 2: Convert to fraction form
    1,334,432.64/1,841,561.28 = 730,853.76/x
  3. Step 3: Cross multiply
    1,334,432.64x = 1,841,561.28 × 730,853.76
  4. Step 4: Simplify right side
    1,334,432.64x = 1,345,911,985,758.41
  5. Step 5: Solve for x
    x = 1,345,911,985,758.41/1,334,432.64
  6. Step 6: Final answer
    x = 1,008,602.42

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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.