Home / 1,370,557.41-1,891,384.19-758,720.39

Finding the Fourth Proportional to 1,370,557.41, 1,891,384.19 and 758,720.39

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Solution

The fourth proportional to 1,370,557.41, 1,891,384.19 and 758,720.39 is: 1,047,042.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,370,557.41 : 1,891,384.19 = 758,720.39 : x
  2. Step 2: Convert to fraction form
    1,370,557.41/1,891,384.19 = 758,720.39/x
  3. Step 3: Cross multiply
    1,370,557.41x = 1,891,384.19 × 758,720.39
  4. Step 4: Simplify right side
    1,370,557.41x = 1,435,031,750,510.35
  5. Step 5: Solve for x
    x = 1,435,031,750,510.35/1,370,557.41
  6. Step 6: Final answer
    x = 1,047,042.42

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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.