Home / 1,040,478.28-1,560,842.53-366,420.31

Finding the Fourth Proportional to 1,040,478.28, 1,560,842.53 and 366,420.31

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Solution

The fourth proportional to 1,040,478.28, 1,560,842.53 and 366,420.31 is: 549,674.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,040,478.28 : 1,560,842.53 = 366,420.31 : x
  2. Step 2: Convert to fraction form
    1,040,478.28/1,560,842.53 = 366,420.31/x
  3. Step 3: Cross multiply
    1,040,478.28x = 1,560,842.53 × 366,420.31
  4. Step 4: Simplify right side
    1,040,478.28x = 571,924,398,885.63
  5. Step 5: Solve for x
    x = 571,924,398,885.63/1,040,478.28
  6. Step 6: Final answer
    x = 549,674.52

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1.5x scale

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.