Home / 993,826.80-1,490,740.20-545,929.20

Finding the Fourth Proportional to 993,826.80, 1,490,740.20 and 545,929.20

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Solution

The fourth proportional to 993,826.80, 1,490,740.20 and 545,929.20 is: 818,893.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    993,826.80 : 1,490,740.20 = 545,929.20 : x
  2. Step 2: Convert to fraction form
    993,826.80/1,490,740.20 = 545,929.20/x
  3. Step 3: Cross multiply
    993,826.80x = 1,490,740.20 × 545,929.20
  4. Step 4: Simplify right side
    993,826.80x = 813,838,604,793.84
  5. Step 5: Solve for x
    x = 813,838,604,793.84/993,826.80
  6. Step 6: Final answer
    x = 818,893.80

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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.