Home / 913,417.80-1,370,126.70-876,676.20

Finding the Fourth Proportional to 913,417.80, 1,370,126.70 and 876,676.20

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Solution

The fourth proportional to 913,417.80, 1,370,126.70 and 876,676.20 is: 1,315,014.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,417.80 : 1,370,126.70 = 876,676.20 : x
  2. Step 2: Convert to fraction form
    913,417.80/1,370,126.70 = 876,676.20/x
  3. Step 3: Cross multiply
    913,417.80x = 1,370,126.70 × 876,676.20
  4. Step 4: Simplify right side
    913,417.80x = 1,201,157,468,874.54
  5. Step 5: Solve for x
    x = 1,201,157,468,874.54/913,417.80
  6. Step 6: Final answer
    x = 1,315,014.30

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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.