Home / 989,256.73-1,482,255.10-906,526.62

Finding the Fourth Proportional to 989,256.73, 1,482,255.10 and 906,526.62

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Solution

The fourth proportional to 989,256.73, 1,482,255.10 and 906,526.62 is: 1,358,296.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    989,256.73 : 1,482,255.10 = 906,526.62 : x
  2. Step 2: Convert to fraction form
    989,256.73/1,482,255.10 = 906,526.62/x
  3. Step 3: Cross multiply
    989,256.73x = 1,482,255.10 × 906,526.62
  4. Step 4: Simplify right side
    989,256.73x = 1,343,703,705,780.76
  5. Step 5: Solve for x
    x = 1,343,703,705,780.76/989,256.73
  6. Step 6: Final answer
    x = 1,358,296.25

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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.