Home / 1,344,422.40-2,014,732.80-745,647.36

Finding the Fourth Proportional to 1,344,422.40, 2,014,732.80 and 745,647.36

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Solution

The fourth proportional to 1,344,422.40, 2,014,732.80 and 745,647.36 is: 1,117,416.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,344,422.40 : 2,014,732.80 = 745,647.36 : x
  2. Step 2: Convert to fraction form
    1,344,422.40/2,014,732.80 = 745,647.36/x
  3. Step 3: Cross multiply
    1,344,422.40x = 2,014,732.80 × 745,647.36
  4. Step 4: Simplify right side
    1,344,422.40x = 1,502,280,193,425.41
  5. Step 5: Solve for x
    x = 1,502,280,193,425.41/1,344,422.40
  6. Step 6: Final answer
    x = 1,117,416.81

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.