Home / 977,140.60-1,465,710.90-880,718.20

Finding the Fourth Proportional to 977,140.60, 1,465,710.90 and 880,718.20

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Solution

The fourth proportional to 977,140.60, 1,465,710.90 and 880,718.20 is: 1,321,077.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,140.60 : 1,465,710.90 = 880,718.20 : x
  2. Step 2: Convert to fraction form
    977,140.60/1,465,710.90 = 880,718.20/x
  3. Step 3: Cross multiply
    977,140.60x = 1,465,710.90 × 880,718.20
  4. Step 4: Simplify right side
    977,140.60x = 1,290,878,265,568.38
  5. Step 5: Solve for x
    x = 1,290,878,265,568.38/977,140.60
  6. Step 6: Final answer
    x = 1,321,077.30

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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.