Home / 1,178,064.96-1,615,941.12-1,167,943.20

Finding the Fourth Proportional to 1,178,064.96, 1,615,941.12 and 1,167,943.20

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Solution

The fourth proportional to 1,178,064.96, 1,615,941.12 and 1,167,943.20 is: 1,602,057.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,178,064.96 : 1,615,941.12 = 1,167,943.20 : x
  2. Step 2: Convert to fraction form
    1,178,064.96/1,615,941.12 = 1,167,943.20/x
  3. Step 3: Cross multiply
    1,178,064.96x = 1,615,941.12 × 1,167,943.20
  4. Step 4: Simplify right side
    1,178,064.96x = 1,887,327,442,704.38
  5. Step 5: Solve for x
    x = 1,887,327,442,704.38/1,178,064.96
  6. Step 6: Final answer
    x = 1,602,057.19

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.