Home / 1,108,126.64-1,531,797.04-988,454

Finding the Fourth Proportional to 1,108,126.64, 1,531,797.04 and 988,454

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Solution

The fourth proportional to 1,108,126.64, 1,531,797.04 and 988,454 is: 1,366,369.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,108,126.64 : 1,531,797.04 = 988,454 : x
  2. Step 2: Convert to fraction form
    1,108,126.64/1,531,797.04 = 988,454/x
  3. Step 3: Cross multiply
    1,108,126.64x = 1,531,797.04 × 988,454
  4. Step 4: Simplify right side
    1,108,126.64x = 1,514,110,911,376.16
  5. Step 5: Solve for x
    x = 1,514,110,911,376.16/1,108,126.64
  6. Step 6: Final answer
    x = 1,366,369.92

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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.