Home / 1,283,275.72-1,771,315.32-739,775.04

Finding the Fourth Proportional to 1,283,275.72, 1,771,315.32 and 739,775.04

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Solution

The fourth proportional to 1,283,275.72, 1,771,315.32 and 739,775.04 is: 1,021,117.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,283,275.72 : 1,771,315.32 = 739,775.04 : x
  2. Step 2: Convert to fraction form
    1,283,275.72/1,771,315.32 = 739,775.04/x
  3. Step 3: Cross multiply
    1,283,275.72x = 1,771,315.32 × 739,775.04
  4. Step 4: Simplify right side
    1,283,275.72x = 1,310,374,861,705.61
  5. Step 5: Solve for x
    x = 1,310,374,861,705.61/1,283,275.72
  6. Step 6: Final answer
    x = 1,021,117.16

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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.