Home / 1,011,661.89-1,518,573.10-435,570.48

Finding the Fourth Proportional to 1,011,661.89, 1,518,573.10 and 435,570.48

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Solution

The fourth proportional to 1,011,661.89, 1,518,573.10 and 435,570.48 is: 653,820.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,011,661.89 : 1,518,573.10 = 435,570.48 : x
  2. Step 2: Convert to fraction form
    1,011,661.89/1,518,573.10 = 435,570.48/x
  3. Step 3: Cross multiply
    1,011,661.89x = 1,518,573.10 × 435,570.48
  4. Step 4: Simplify right side
    1,011,661.89x = 661,445,614,082.09
  5. Step 5: Solve for x
    x = 661,445,614,082.09/1,011,661.89
  6. Step 6: Final answer
    x = 653,820.83

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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.