Home / 1,039,006.12-1,557,255.10-505,728.04

Finding the Fourth Proportional to 1,039,006.12, 1,557,255.10 and 505,728.04

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Solution

The fourth proportional to 1,039,006.12, 1,557,255.10 and 505,728.04 is: 757,981.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,039,006.12 : 1,557,255.10 = 505,728.04 : x
  2. Step 2: Convert to fraction form
    1,039,006.12/1,557,255.10 = 505,728.04/x
  3. Step 3: Cross multiply
    1,039,006.12x = 1,557,255.10 × 505,728.04
  4. Step 4: Simplify right side
    1,039,006.12x = 787,547,569,503.00
  5. Step 5: Solve for x
    x = 787,547,569,503.00/1,039,006.12
  6. Step 6: Final answer
    x = 757,981.65

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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.