Home / 1,100,401.60-1,648,634.10-942,937.60

Finding the Fourth Proportional to 1,100,401.60, 1,648,634.10 and 942,937.60

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Solution

The fourth proportional to 1,100,401.60, 1,648,634.10 and 942,937.60 is: 1,412,719.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,100,401.60 : 1,648,634.10 = 942,937.60 : x
  2. Step 2: Convert to fraction form
    1,100,401.60/1,648,634.10 = 942,937.60/x
  3. Step 3: Cross multiply
    1,100,401.60x = 1,648,634.10 × 942,937.60
  4. Step 4: Simplify right side
    1,100,401.60x = 1,554,559,081,532.16
  5. Step 5: Solve for x
    x = 1,554,559,081,532.16/1,100,401.60
  6. Step 6: Final answer
    x = 1,412,719.76

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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.