Home / 1,346,644.90-2,019,967.35-842,760.10

Finding the Fourth Proportional to 1,346,644.90, 2,019,967.35 and 842,760.10

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Solution

The fourth proportional to 1,346,644.90, 2,019,967.35 and 842,760.10 is: 1,264,140.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,346,644.90 : 2,019,967.35 = 842,760.10 : x
  2. Step 2: Convert to fraction form
    1,346,644.90/2,019,967.35 = 842,760.10/x
  3. Step 3: Cross multiply
    1,346,644.90x = 2,019,967.35 × 842,760.10
  4. Step 4: Simplify right side
    1,346,644.90x = 1,702,347,885,882.74
  5. Step 5: Solve for x
    x = 1,702,347,885,882.74/1,346,644.90
  6. Step 6: Final answer
    x = 1,264,140.15

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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.