Home / 1,038,200.80-1,557,592.80-505,739.20

Finding the Fourth Proportional to 1,038,200.80, 1,557,592.80 and 505,739.20

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Solution

The fourth proportional to 1,038,200.80, 1,557,592.80 and 505,739.20 is: 758,750.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,038,200.80 : 1,557,592.80 = 505,739.20 : x
  2. Step 2: Convert to fraction form
    1,038,200.80/1,557,592.80 = 505,739.20/x
  3. Step 3: Cross multiply
    1,038,200.80x = 1,557,592.80 × 505,739.20
  4. Step 4: Simplify right side
    1,038,200.80x = 787,735,736,597.76
  5. Step 5: Solve for x
    x = 787,735,736,597.76/1,038,200.80
  6. Step 6: Final answer
    x = 758,750.85

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1.5x scale

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.