Home / 1,144,695.60-1,579,686.03-715,224.78

Finding the Fourth Proportional to 1,144,695.60, 1,579,686.03 and 715,224.78

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Solution

The fourth proportional to 1,144,695.60, 1,579,686.03 and 715,224.78 is: 987,014.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,144,695.60 : 1,579,686.03 = 715,224.78 : x
  2. Step 2: Convert to fraction form
    1,144,695.60/1,579,686.03 = 715,224.78/x
  3. Step 3: Cross multiply
    1,144,695.60x = 1,579,686.03 × 715,224.78
  4. Step 4: Simplify right side
    1,144,695.60x = 1,129,830,593,275.82
  5. Step 5: Solve for x
    x = 1,129,830,593,275.82/1,144,695.60
  6. Step 6: Final answer
    x = 987,014.01

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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.