Home / 1,359,257.40-1,875,823.32-747,456.54

Finding the Fourth Proportional to 1,359,257.40, 1,875,823.32 and 747,456.54

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Solution

The fourth proportional to 1,359,257.40, 1,875,823.32 and 747,456.54 is: 1,031,516.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,359,257.40 : 1,875,823.32 = 747,456.54 : x
  2. Step 2: Convert to fraction form
    1,359,257.40/1,875,823.32 = 747,456.54/x
  3. Step 3: Cross multiply
    1,359,257.40x = 1,875,823.32 × 747,456.54
  4. Step 4: Simplify right side
    1,359,257.40x = 1,402,096,408,418.51
  5. Step 5: Solve for x
    x = 1,402,096,408,418.51/1,359,257.40
  6. Step 6: Final answer
    x = 1,031,516.48

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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.