Home / 1,402,405.38-1,935,320.04-757,825.61

Finding the Fourth Proportional to 1,402,405.38, 1,935,320.04 and 757,825.61

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Solution

The fourth proportional to 1,402,405.38, 1,935,320.04 and 757,825.61 is: 1,045,799.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,402,405.38 : 1,935,320.04 = 757,825.61 : x
  2. Step 2: Convert to fraction form
    1,402,405.38/1,935,320.04 = 757,825.61/x
  3. Step 3: Cross multiply
    1,402,405.38x = 1,935,320.04 × 757,825.61
  4. Step 4: Simplify right side
    1,402,405.38x = 1,466,635,080,181.62
  5. Step 5: Solve for x
    x = 1,466,635,080,181.62/1,402,405.38
  6. Step 6: Final answer
    x = 1,045,799.67

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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.