Home / 1,360,014.40-1,876,760.58-748,128.35

Finding the Fourth Proportional to 1,360,014.40, 1,876,760.58 and 748,128.35

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Solution

The fourth proportional to 1,360,014.40, 1,876,760.58 and 748,128.35 is: 1,032,384.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,360,014.40 : 1,876,760.58 = 748,128.35 : x
  2. Step 2: Convert to fraction form
    1,360,014.40/1,876,760.58 = 748,128.35/x
  3. Step 3: Cross multiply
    1,360,014.40x = 1,876,760.58 × 748,128.35
  4. Step 4: Simplify right side
    1,360,014.40x = 1,404,057,803,557.83
  5. Step 5: Solve for x
    x = 1,404,057,803,557.83/1,360,014.40
  6. Step 6: Final answer
    x = 1,032,384.51

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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.