Home / 1,540,035.38-2,309,876.54-402,907.31

Finding the Fourth Proportional to 1,540,035.38, 2,309,876.54 and 402,907.31

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Solution

The fourth proportional to 1,540,035.38, 2,309,876.54 and 402,907.31 is: 604,314.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,540,035.38 : 2,309,876.54 = 402,907.31 : x
  2. Step 2: Convert to fraction form
    1,540,035.38/2,309,876.54 = 402,907.31/x
  3. Step 3: Cross multiply
    1,540,035.38x = 2,309,876.54 × 402,907.31
  4. Step 4: Simplify right side
    1,540,035.38x = 930,666,155,031.94
  5. Step 5: Solve for x
    x = 930,666,155,031.94/1,540,035.38
  6. Step 6: Final answer
    x = 604,314.79

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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.