Home / 1,775,506.70-2,661,947.85-977,689.10

Finding the Fourth Proportional to 1,775,506.70, 2,661,947.85 and 977,689.10

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Solution

The fourth proportional to 1,775,506.70, 2,661,947.85 and 977,689.10 is: 1,465,811.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,775,506.70 : 2,661,947.85 = 977,689.10 : x
  2. Step 2: Convert to fraction form
    1,775,506.70/2,661,947.85 = 977,689.10/x
  3. Step 3: Cross multiply
    1,775,506.70x = 2,661,947.85 × 977,689.10
  4. Step 4: Simplify right side
    1,775,506.70x = 2,602,557,397,713.44
  5. Step 5: Solve for x
    x = 2,602,557,397,713.44/1,775,506.70
  6. Step 6: Final answer
    x = 1,465,811.08

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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.