Home / 1,124,838.64-1,687,651.64-326,168.08

Finding the Fourth Proportional to 1,124,838.64, 1,687,651.64 and 326,168.08

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Solution

The fourth proportional to 1,124,838.64, 1,687,651.64 and 326,168.08 is: 489,366.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,124,838.64 : 1,687,651.64 = 326,168.08 : x
  2. Step 2: Convert to fraction form
    1,124,838.64/1,687,651.64 = 326,168.08/x
  3. Step 3: Cross multiply
    1,124,838.64x = 1,687,651.64 × 326,168.08
  4. Step 4: Simplify right side
    1,124,838.64x = 550,458,095,127.65
  5. Step 5: Solve for x
    x = 550,458,095,127.65/1,124,838.64
  6. Step 6: Final answer
    x = 489,366.27

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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.