Home / 1,585,223.46-2,377,807.65-638,569.98

Finding the Fourth Proportional to 1,585,223.46, 2,377,807.65 and 638,569.98

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Solution

The fourth proportional to 1,585,223.46, 2,377,807.65 and 638,569.98 is: 957,843.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,585,223.46 : 2,377,807.65 = 638,569.98 : x
  2. Step 2: Convert to fraction form
    1,585,223.46/2,377,807.65 = 638,569.98/x
  3. Step 3: Cross multiply
    1,585,223.46x = 2,377,807.65 × 638,569.98
  4. Step 4: Simplify right side
    1,585,223.46x = 1,518,396,583,504.35
  5. Step 5: Solve for x
    x = 1,518,396,583,504.35/1,585,223.46
  6. Step 6: Final answer
    x = 957,843.88

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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.