Home / 1,039,362.40-1,557,731.40-505,734.40

Finding the Fourth Proportional to 1,039,362.40, 1,557,731.40 and 505,734.40

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Solution

The fourth proportional to 1,039,362.40, 1,557,731.40 and 505,734.40 is: 757,963.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,039,362.40 : 1,557,731.40 = 505,734.40 : x
  2. Step 2: Convert to fraction form
    1,039,362.40/1,557,731.40 = 505,734.40/x
  3. Step 3: Cross multiply
    1,039,362.40x = 1,557,731.40 × 505,734.40
  4. Step 4: Simplify right side
    1,039,362.40x = 787,798,354,940.16
  5. Step 5: Solve for x
    x = 787,798,354,940.16/1,039,362.40
  6. Step 6: Final answer
    x = 757,963.11

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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.