Home / 1,034,639.76-1,427,927.18-626,729.63

Finding the Fourth Proportional to 1,034,639.76, 1,427,927.18 and 626,729.63

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Solution

The fourth proportional to 1,034,639.76, 1,427,927.18 and 626,729.63 is: 864,962.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,034,639.76 : 1,427,927.18 = 626,729.63 : x
  2. Step 2: Convert to fraction form
    1,034,639.76/1,427,927.18 = 626,729.63/x
  3. Step 3: Cross multiply
    1,034,639.76x = 1,427,927.18 × 626,729.63
  4. Step 4: Simplify right side
    1,034,639.76x = 894,924,262,915.06
  5. Step 5: Solve for x
    x = 894,924,262,915.06/1,034,639.76
  6. Step 6: Final answer
    x = 864,962.18

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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.