Home / 1,295,237.20-1,787,429.16-714,447.36

Finding the Fourth Proportional to 1,295,237.20, 1,787,429.16 and 714,447.36

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Solution

The fourth proportional to 1,295,237.20, 1,787,429.16 and 714,447.36 is: 985,938.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,295,237.20 : 1,787,429.16 = 714,447.36 : x
  2. Step 2: Convert to fraction form
    1,295,237.20/1,787,429.16 = 714,447.36/x
  3. Step 3: Cross multiply
    1,295,237.20x = 1,787,429.16 × 714,447.36
  4. Step 4: Simplify right side
    1,295,237.20x = 1,277,024,044,549.02
  5. Step 5: Solve for x
    x = 1,277,024,044,549.02/1,295,237.20
  6. Step 6: Final answer
    x = 985,938.36

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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.