Home / 1,038,285.30-1,557,719.55-505,823.70

Finding the Fourth Proportional to 1,038,285.30, 1,557,719.55 and 505,823.70

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Solution

The fourth proportional to 1,038,285.30, 1,557,719.55 and 505,823.70 is: 758,877.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,038,285.30 : 1,557,719.55 = 505,823.70 : x
  2. Step 2: Convert to fraction form
    1,038,285.30/1,557,719.55 = 505,823.70/x
  3. Step 3: Cross multiply
    1,038,285.30x = 1,557,719.55 × 505,823.70
  4. Step 4: Simplify right side
    1,038,285.30x = 787,931,466,343.34
  5. Step 5: Solve for x
    x = 787,931,466,343.34/1,038,285.30
  6. Step 6: Final answer
    x = 758,877.61

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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.