Home / 1,386,295.32-2,079,501.30-676,949.16

Finding the Fourth Proportional to 1,386,295.32, 2,079,501.30 and 676,949.16

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Solution

The fourth proportional to 1,386,295.32, 2,079,501.30 and 676,949.16 is: 1,015,452.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,386,295.32 : 2,079,501.30 = 676,949.16 : x
  2. Step 2: Convert to fraction form
    1,386,295.32/2,079,501.30 = 676,949.16/x
  3. Step 3: Cross multiply
    1,386,295.32x = 2,079,501.30 × 676,949.16
  4. Step 4: Simplify right side
    1,386,295.32x = 1,407,716,658,253.91
  5. Step 5: Solve for x
    x = 1,407,716,658,253.91/1,386,295.32
  6. Step 6: Final answer
    x = 1,015,452.22

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.