Home / 1,489,281.54-2,232,366.90-730,071.78

Finding the Fourth Proportional to 1,489,281.54, 2,232,366.90 and 730,071.78

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Solution

The fourth proportional to 1,489,281.54, 2,232,366.90 and 730,071.78 is: 1,094,345.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,489,281.54 : 2,232,366.90 = 730,071.78 : x
  2. Step 2: Convert to fraction form
    1,489,281.54/2,232,366.90 = 730,071.78/x
  3. Step 3: Cross multiply
    1,489,281.54x = 2,232,366.90 × 730,071.78
  4. Step 4: Simplify right side
    1,489,281.54x = 1,629,788,076,296.08
  5. Step 5: Solve for x
    x = 1,629,788,076,296.08/1,489,281.54
  6. Step 6: Final answer
    x = 1,094,345.18

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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.