Home / 1,034,638.42-1,427,925.31-626,728.29

Finding the Fourth Proportional to 1,034,638.42, 1,427,925.31 and 626,728.29

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Solution

The fourth proportional to 1,034,638.42, 1,427,925.31 and 626,728.29 is: 864,960.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,034,638.42 : 1,427,925.31 = 626,728.29 : x
  2. Step 2: Convert to fraction form
    1,034,638.42/1,427,925.31 = 626,728.29/x
  3. Step 3: Cross multiply
    1,034,638.42x = 1,427,925.31 × 626,728.29
  4. Step 4: Simplify right side
    1,034,638.42x = 894,921,177,510.75
  5. Step 5: Solve for x
    x = 894,921,177,510.75/1,034,638.42
  6. Step 6: Final answer
    x = 864,960.32

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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.