Home / 1,038,529.70-1,557,794.55-987,208.10

Finding the Fourth Proportional to 1,038,529.70, 1,557,794.55 and 987,208.10

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Solution

The fourth proportional to 1,038,529.70, 1,557,794.55 and 987,208.10 is: 1,480,812.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,038,529.70 : 1,557,794.55 = 987,208.10 : x
  2. Step 2: Convert to fraction form
    1,038,529.70/1,557,794.55 = 987,208.10/x
  3. Step 3: Cross multiply
    1,038,529.70x = 1,557,794.55 × 987,208.10
  4. Step 4: Simplify right side
    1,038,529.70x = 1,537,867,397,895.86
  5. Step 5: Solve for x
    x = 1,537,867,397,895.86/1,038,529.70
  6. Step 6: Final answer
    x = 1,480,812.15

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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.