Home / 1,295,325.30-1,787,468.01-714,555.15

Finding the Fourth Proportional to 1,295,325.30, 1,787,468.01 and 714,555.15

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Solution

The fourth proportional to 1,295,325.30, 1,787,468.01 and 714,555.15 is: 986,041.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,295,325.30 : 1,787,468.01 = 714,555.15 : x
  2. Step 2: Convert to fraction form
    1,295,325.30/1,787,468.01 = 714,555.15/x
  3. Step 3: Cross multiply
    1,295,325.30x = 1,787,468.01 × 714,555.15
  4. Step 4: Simplify right side
    1,295,325.30x = 1,277,244,472,005.75
  5. Step 5: Solve for x
    x = 1,277,244,472,005.75/1,295,325.30
  6. Step 6: Final answer
    x = 986,041.48

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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.