Home / 1,512,907.66-2,087,785.20-824,585.86

Finding the Fourth Proportional to 1,512,907.66, 2,087,785.20 and 824,585.86

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Solution

The fourth proportional to 1,512,907.66, 2,087,785.20 and 824,585.86 is: 1,137,913.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,512,907.66 : 2,087,785.20 = 824,585.86 : x
  2. Step 2: Convert to fraction form
    1,512,907.66/2,087,785.20 = 824,585.86/x
  3. Step 3: Cross multiply
    1,512,907.66x = 2,087,785.20 × 824,585.86
  4. Step 4: Simplify right side
    1,512,907.66x = 1,721,558,154,637.27
  5. Step 5: Solve for x
    x = 1,721,558,154,637.27/1,512,907.66
  6. Step 6: Final answer
    x = 1,137,913.57

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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.