Home / 1,311,676.32-1,810,089.01-714,949.08

Finding the Fourth Proportional to 1,311,676.32, 1,810,089.01 and 714,949.08

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Solution

The fourth proportional to 1,311,676.32, 1,810,089.01 and 714,949.08 is: 986,616.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,311,676.32 : 1,810,089.01 = 714,949.08 : x
  2. Step 2: Convert to fraction form
    1,311,676.32/1,810,089.01 = 714,949.08/x
  3. Step 3: Cross multiply
    1,311,676.32x = 1,810,089.01 × 714,949.08
  4. Step 4: Simplify right side
    1,311,676.32x = 1,294,121,472,417.61
  5. Step 5: Solve for x
    x = 1,294,121,472,417.61/1,311,676.32
  6. Step 6: Final answer
    x = 986,616.48

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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.