Home / 1,038,180.30-1,557,562.05-505,718.70

Finding the Fourth Proportional to 1,038,180.30, 1,557,562.05 and 505,718.70

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Solution

The fourth proportional to 1,038,180.30, 1,557,562.05 and 505,718.70 is: 758,720.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,038,180.30 : 1,557,562.05 = 505,718.70 : x
  2. Step 2: Convert to fraction form
    1,038,180.30/1,557,562.05 = 505,718.70/x
  3. Step 3: Cross multiply
    1,038,180.30x = 1,557,562.05 × 505,718.70
  4. Step 4: Simplify right side
    1,038,180.30x = 787,688,255,095.34
  5. Step 5: Solve for x
    x = 787,688,255,095.34/1,038,180.30
  6. Step 6: Final answer
    x = 758,720.09

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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.