Home / 1,052,681.28-1,578,649.32-342,576.96

Finding the Fourth Proportional to 1,052,681.28, 1,578,649.32 and 342,576.96

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Solution

The fourth proportional to 1,052,681.28, 1,578,649.32 and 342,576.96 is: 513,744.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,052,681.28 : 1,578,649.32 = 342,576.96 : x
  2. Step 2: Convert to fraction form
    1,052,681.28/1,578,649.32 = 342,576.96/x
  3. Step 3: Cross multiply
    1,052,681.28x = 1,578,649.32 × 342,576.96
  4. Step 4: Simplify right side
    1,052,681.28x = 540,808,884,951.67
  5. Step 5: Solve for x
    x = 540,808,884,951.67/1,052,681.28
  6. Step 6: Final answer
    x = 513,744.18

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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.