Home / 1,218,526.64-1,681,752.48-759,715.68

Finding the Fourth Proportional to 1,218,526.64, 1,681,752.48 and 759,715.68

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Solution

The fourth proportional to 1,218,526.64, 1,681,752.48 and 759,715.68 is: 1,048,523.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,218,526.64 : 1,681,752.48 = 759,715.68 : x
  2. Step 2: Convert to fraction form
    1,218,526.64/1,681,752.48 = 759,715.68/x
  3. Step 3: Cross multiply
    1,218,526.64x = 1,681,752.48 × 759,715.68
  4. Step 4: Simplify right side
    1,218,526.64x = 1,277,653,728,934.89
  5. Step 5: Solve for x
    x = 1,277,653,728,934.89/1,218,526.64
  6. Step 6: Final answer
    x = 1,048,523.43

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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.