Home / 1,345,138.80-1,856,276.18-733,278.06

Finding the Fourth Proportional to 1,345,138.80, 1,856,276.18 and 733,278.06

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Solution

The fourth proportional to 1,345,138.80, 1,856,276.18 and 733,278.06 is: 1,011,915.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,345,138.80 : 1,856,276.18 = 733,278.06 : x
  2. Step 2: Convert to fraction form
    1,345,138.80/1,856,276.18 = 733,278.06/x
  3. Step 3: Cross multiply
    1,345,138.80x = 1,856,276.18 × 733,278.06
  4. Step 4: Simplify right side
    1,345,138.80x = 1,361,166,596,094.61
  5. Step 5: Solve for x
    x = 1,361,166,596,094.61/1,345,138.80
  6. Step 6: Final answer
    x = 1,011,915.35

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.