Home / 1,049,943.90-1,575,145.53-340,043.70

Finding the Fourth Proportional to 1,049,943.90, 1,575,145.53 and 340,043.70

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Solution

The fourth proportional to 1,049,943.90, 1,575,145.53 and 340,043.70 is: 510,139.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,049,943.90 : 1,575,145.53 = 340,043.70 : x
  2. Step 2: Convert to fraction form
    1,049,943.90/1,575,145.53 = 340,043.70/x
  3. Step 3: Cross multiply
    1,049,943.90x = 1,575,145.53 × 340,043.70
  4. Step 4: Simplify right side
    1,049,943.90x = 535,618,306,183.93
  5. Step 5: Solve for x
    x = 535,618,306,183.93/1,049,943.90
  6. Step 6: Final answer
    x = 510,139.93

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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.