Home / 1,588,127.10-2,191,627.46-862,978.72

Finding the Fourth Proportional to 1,588,127.10, 2,191,627.46 and 862,978.72

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Solution

The fourth proportional to 1,588,127.10, 2,191,627.46 and 862,978.72 is: 1,190,917.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,588,127.10 : 2,191,627.46 = 862,978.72 : x
  2. Step 2: Convert to fraction form
    1,588,127.10/2,191,627.46 = 862,978.72/x
  3. Step 3: Cross multiply
    1,588,127.10x = 2,191,627.46 × 862,978.72
  4. Step 4: Simplify right side
    1,588,127.10x = 1,891,327,860,147.65
  5. Step 5: Solve for x
    x = 1,891,327,860,147.65/1,588,127.10
  6. Step 6: Final answer
    x = 1,190,917.19

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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.