Home / 1,050,112.80-1,574,132.40-517,197.60

Finding the Fourth Proportional to 1,050,112.80, 1,574,132.40 and 517,197.60

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Solution

The fourth proportional to 1,050,112.80, 1,574,132.40 and 517,197.60 is: 775,285.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,050,112.80 : 1,574,132.40 = 517,197.60 : x
  2. Step 2: Convert to fraction form
    1,050,112.80/1,574,132.40 = 517,197.60/x
  3. Step 3: Cross multiply
    1,050,112.80x = 1,574,132.40 × 517,197.60
  4. Step 4: Simplify right side
    1,050,112.80x = 814,137,499,362.24
  5. Step 5: Solve for x
    x = 814,137,499,362.24/1,050,112.80
  6. Step 6: Final answer
    x = 775,285.76

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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.