Home / 1,420,988.16-1,962,273.18-912,576.24

Finding the Fourth Proportional to 1,420,988.16, 1,962,273.18 and 912,576.24

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Solution

The fourth proportional to 1,420,988.16, 1,962,273.18 and 912,576.24 is: 1,260,196.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,420,988.16 : 1,962,273.18 = 912,576.24 : x
  2. Step 2: Convert to fraction form
    1,420,988.16/1,962,273.18 = 912,576.24/x
  3. Step 3: Cross multiply
    1,420,988.16x = 1,962,273.18 × 912,576.24
  4. Step 4: Simplify right side
    1,420,988.16x = 1,790,723,880,457.24
  5. Step 5: Solve for x
    x = 1,790,723,880,457.24/1,420,988.16
  6. Step 6: Final answer
    x = 1,260,196.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.