Home / 1,418,338.50-1,957,307.13-909,040.88

Finding the Fourth Proportional to 1,418,338.50, 1,957,307.13 and 909,040.88

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Solution

The fourth proportional to 1,418,338.50, 1,957,307.13 and 909,040.88 is: 1,254,476.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,418,338.50 : 1,957,307.13 = 909,040.88 : x
  2. Step 2: Convert to fraction form
    1,418,338.50/1,957,307.13 = 909,040.88/x
  3. Step 3: Cross multiply
    1,418,338.50x = 1,957,307.13 × 909,040.88
  4. Step 4: Simplify right side
    1,418,338.50x = 1,779,272,186,098.94
  5. Step 5: Solve for x
    x = 1,779,272,186,098.94/1,418,338.50
  6. Step 6: Final answer
    x = 1,254,476.41

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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.