Home / 1,038,190.80-1,557,577.80-505,729.20

Finding the Fourth Proportional to 1,038,190.80, 1,557,577.80 and 505,729.20

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Solution

The fourth proportional to 1,038,190.80, 1,557,577.80 and 505,729.20 is: 758,735.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,038,190.80 : 1,557,577.80 = 505,729.20 : x
  2. Step 2: Convert to fraction form
    1,038,190.80/1,557,577.80 = 505,729.20/x
  3. Step 3: Cross multiply
    1,038,190.80x = 1,557,577.80 × 505,729.20
  4. Step 4: Simplify right side
    1,038,190.80x = 787,712,574,731.76
  5. Step 5: Solve for x
    x = 787,712,574,731.76/1,038,190.80
  6. Step 6: Final answer
    x = 758,735.85

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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.