Home / 1,755,828.64-2,423,240.04-991,931.36

Finding the Fourth Proportional to 1,755,828.64, 2,423,240.04 and 991,931.36

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Solution

The fourth proportional to 1,755,828.64, 2,423,240.04 and 991,931.36 is: 1,368,976.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,755,828.64 : 2,423,240.04 = 991,931.36 : x
  2. Step 2: Convert to fraction form
    1,755,828.64/2,423,240.04 = 991,931.36/x
  3. Step 3: Cross multiply
    1,755,828.64x = 2,423,240.04 × 991,931.36
  4. Step 4: Simplify right side
    1,755,828.64x = 2,403,687,788,483.65
  5. Step 5: Solve for x
    x = 2,403,687,788,483.65/1,755,828.64
  6. Step 6: Final answer
    x = 1,368,976.30

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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.