Home / 1,452,287.34-2,003,825.79-840,424.68

Finding the Fourth Proportional to 1,452,287.34, 2,003,825.79 and 840,424.68

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Solution

The fourth proportional to 1,452,287.34, 2,003,825.79 and 840,424.68 is: 1,159,594.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,452,287.34 : 2,003,825.79 = 840,424.68 : x
  2. Step 2: Convert to fraction form
    1,452,287.34/2,003,825.79 = 840,424.68/x
  3. Step 3: Cross multiply
    1,452,287.34x = 2,003,825.79 × 840,424.68
  4. Step 4: Simplify right side
    1,452,287.34x = 1,684,064,648,336.50
  5. Step 5: Solve for x
    x = 1,684,064,648,336.50/1,452,287.34
  6. Step 6: Final answer
    x = 1,159,594.66

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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.