Home / 1,512,700.80-2,087,499.24-824,378.19

Finding the Fourth Proportional to 1,512,700.80, 2,087,499.24 and 824,378.19

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Solution

The fourth proportional to 1,512,700.80, 2,087,499.24 and 824,378.19 is: 1,137,626.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,512,700.80 : 2,087,499.24 = 824,378.19 : x
  2. Step 2: Convert to fraction form
    1,512,700.80/2,087,499.24 = 824,378.19/x
  3. Step 3: Cross multiply
    1,512,700.80x = 2,087,499.24 × 824,378.19
  4. Step 4: Simplify right side
    1,512,700.80x = 1,720,888,845,097.58
  5. Step 5: Solve for x
    x = 1,720,888,845,097.58/1,512,700.80
  6. Step 6: Final answer
    x = 1,137,626.72

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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.