Home / 1,383,398.50-1,909,090.01-747,494.50

Finding the Fourth Proportional to 1,383,398.50, 1,909,090.01 and 747,494.50

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Solution

The fourth proportional to 1,383,398.50, 1,909,090.01 and 747,494.50 is: 1,031,542.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,383,398.50 : 1,909,090.01 = 747,494.50 : x
  2. Step 2: Convert to fraction form
    1,383,398.50/1,909,090.01 = 747,494.50/x
  3. Step 3: Cross multiply
    1,383,398.50x = 1,909,090.01 × 747,494.50
  4. Step 4: Simplify right side
    1,383,398.50x = 1,427,034,282,479.95
  5. Step 5: Solve for x
    x = 1,427,034,282,479.95/1,383,398.50
  6. Step 6: Final answer
    x = 1,031,542.45

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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.