Home / 1,512,669.27-2,087,484.03-824,341.32

Finding the Fourth Proportional to 1,512,669.27, 2,087,484.03 and 824,341.32

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Solution

The fourth proportional to 1,512,669.27, 2,087,484.03 and 824,341.32 is: 1,137,591.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,512,669.27 : 2,087,484.03 = 824,341.32 : x
  2. Step 2: Convert to fraction form
    1,512,669.27/2,087,484.03 = 824,341.32/x
  3. Step 3: Cross multiply
    1,512,669.27x = 2,087,484.03 × 824,341.32
  4. Step 4: Simplify right side
    1,512,669.27x = 1,720,799,340,769.12
  5. Step 5: Solve for x
    x = 1,720,799,340,769.12/1,512,669.27
  6. Step 6: Final answer
    x = 1,137,591.26

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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.