Home / 1,358,263.90-1,874,393.22-738,063.64

Finding the Fourth Proportional to 1,358,263.90, 1,874,393.22 and 738,063.64

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Solution

The fourth proportional to 1,358,263.90, 1,874,393.22 and 738,063.64 is: 1,018,521.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,358,263.90 : 1,874,393.22 = 738,063.64 : x
  2. Step 2: Convert to fraction form
    1,358,263.90/1,874,393.22 = 738,063.64/x
  3. Step 3: Cross multiply
    1,358,263.90x = 1,874,393.22 × 738,063.64
  4. Step 4: Simplify right side
    1,358,263.90x = 1,383,421,482,744.52
  5. Step 5: Solve for x
    x = 1,383,421,482,744.52/1,358,263.90
  6. Step 6: Final answer
    x = 1,018,521.87

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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.