Home / 977,193.80-1,465,790.70-879,216.20

Finding the Fourth Proportional to 977,193.80, 1,465,790.70 and 879,216.20

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Solution

The fourth proportional to 977,193.80, 1,465,790.70 and 879,216.20 is: 1,318,824.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,193.80 : 1,465,790.70 = 879,216.20 : x
  2. Step 2: Convert to fraction form
    977,193.80/1,465,790.70 = 879,216.20/x
  3. Step 3: Cross multiply
    977,193.80x = 1,465,790.70 × 879,216.20
  4. Step 4: Simplify right side
    977,193.80x = 1,288,746,929,249.34
  5. Step 5: Solve for x
    x = 1,288,746,929,249.34/977,193.80
  6. Step 6: Final answer
    x = 1,318,824.30

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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.