Home / 1,397,254.10-2,095,881.15-991,346.90

Finding the Fourth Proportional to 1,397,254.10, 2,095,881.15 and 991,346.90

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Solution

The fourth proportional to 1,397,254.10, 2,095,881.15 and 991,346.90 is: 1,487,020.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,397,254.10 : 2,095,881.15 = 991,346.90 : x
  2. Step 2: Convert to fraction form
    1,397,254.10/2,095,881.15 = 991,346.90/x
  3. Step 3: Cross multiply
    1,397,254.10x = 2,095,881.15 × 991,346.90
  4. Step 4: Simplify right side
    1,397,254.10x = 2,077,745,280,820.94
  5. Step 5: Solve for x
    x = 2,077,745,280,820.94/1,397,254.10
  6. Step 6: Final answer
    x = 1,487,020.35

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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.