Home / 1,038,292.80-1,557,730.80-505,831.20

Finding the Fourth Proportional to 1,038,292.80, 1,557,730.80 and 505,831.20

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Solution

The fourth proportional to 1,038,292.80, 1,557,730.80 and 505,831.20 is: 758,888.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,038,292.80 : 1,557,730.80 = 505,831.20 : x
  2. Step 2: Convert to fraction form
    1,038,292.80/1,557,730.80 = 505,831.20/x
  3. Step 3: Cross multiply
    1,038,292.80x = 1,557,730.80 × 505,831.20
  4. Step 4: Simplify right side
    1,038,292.80x = 787,948,839,840.96
  5. Step 5: Solve for x
    x = 787,948,839,840.96/1,038,292.80
  6. Step 6: Final answer
    x = 758,888.86

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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.