Home / 1,761,426.28-2,430,918.18-997,615.72

Finding the Fourth Proportional to 1,761,426.28, 2,430,918.18 and 997,615.72

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Solution

The fourth proportional to 1,761,426.28, 2,430,918.18 and 997,615.72 is: 1,376,794.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,761,426.28 : 2,430,918.18 = 997,615.72 : x
  2. Step 2: Convert to fraction form
    1,761,426.28/2,430,918.18 = 997,615.72/x
  3. Step 3: Cross multiply
    1,761,426.28x = 2,430,918.18 × 997,615.72
  4. Step 4: Simplify right side
    1,761,426.28x = 2,425,122,190,401.79
  5. Step 5: Solve for x
    x = 2,425,122,190,401.79/1,761,426.28
  6. Step 6: Final answer
    x = 1,376,794.60

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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.