Home / 1,148,312.72-1,722,718.22-349,573.61

Finding the Fourth Proportional to 1,148,312.72, 1,722,718.22 and 349,573.61

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Solution

The fourth proportional to 1,148,312.72, 1,722,718.22 and 349,573.61 is: 524,436.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,148,312.72 : 1,722,718.22 = 349,573.61 : x
  2. Step 2: Convert to fraction form
    1,148,312.72/1,722,718.22 = 349,573.61/x
  3. Step 3: Cross multiply
    1,148,312.72x = 1,722,718.22 × 349,573.61
  4. Step 4: Simplify right side
    1,148,312.72x = 602,216,816,816.72
  5. Step 5: Solve for x
    x = 602,216,816,816.72/1,148,312.72
  6. Step 6: Final answer
    x = 524,436.25

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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.