Home / 1,403,741.59-2,105,612.76-393,012.46

Finding the Fourth Proportional to 1,403,741.59, 2,105,612.76 and 393,012.46

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Solution

The fourth proportional to 1,403,741.59, 2,105,612.76 and 393,012.46 is: 589,518.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,403,741.59 : 2,105,612.76 = 393,012.46 : x
  2. Step 2: Convert to fraction form
    1,403,741.59/2,105,612.76 = 393,012.46/x
  3. Step 3: Cross multiply
    1,403,741.59x = 2,105,612.76 × 393,012.46
  4. Step 4: Simplify right side
    1,403,741.59x = 827,532,050,614.99
  5. Step 5: Solve for x
    x = 827,532,050,614.99/1,403,741.59
  6. Step 6: Final answer
    x = 589,518.79

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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.