Home / 986,787.80-1,480,181.70-977,456.60

Finding the Fourth Proportional to 986,787.80, 1,480,181.70 and 977,456.60

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Solution

The fourth proportional to 986,787.80, 1,480,181.70 and 977,456.60 is: 1,466,184.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    986,787.80 : 1,480,181.70 = 977,456.60 : x
  2. Step 2: Convert to fraction form
    986,787.80/1,480,181.70 = 977,456.60/x
  3. Step 3: Cross multiply
    986,787.80x = 1,480,181.70 × 977,456.60
  4. Step 4: Simplify right side
    986,787.80x = 1,446,813,371,864.22
  5. Step 5: Solve for x
    x = 1,446,813,371,864.22/986,787.80
  6. Step 6: Final answer
    x = 1,466,184.90

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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.