Home / 1,360,246.38-1,877,154.39-748,407.21

Finding the Fourth Proportional to 1,360,246.38, 1,877,154.39 and 748,407.21

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Solution

The fourth proportional to 1,360,246.38, 1,877,154.39 and 748,407.21 is: 1,032,809.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,360,246.38 : 1,877,154.39 = 748,407.21 : x
  2. Step 2: Convert to fraction form
    1,360,246.38/1,877,154.39 = 748,407.21/x
  3. Step 3: Cross multiply
    1,360,246.38x = 1,877,154.39 × 748,407.21
  4. Step 4: Simplify right side
    1,360,246.38x = 1,404,875,879,759.15
  5. Step 5: Solve for x
    x = 1,404,875,879,759.15/1,360,246.38
  6. Step 6: Final answer
    x = 1,032,809.86

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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.