Home / 1,744,921.60-2,615,438.40-679,609.60

Finding the Fourth Proportional to 1,744,921.60, 2,615,438.40 and 679,609.60

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Solution

The fourth proportional to 1,744,921.60, 2,615,438.40 and 679,609.60 is: 1,018,657.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,744,921.60 : 2,615,438.40 = 679,609.60 : x
  2. Step 2: Convert to fraction form
    1,744,921.60/2,615,438.40 = 679,609.60/x
  3. Step 3: Cross multiply
    1,744,921.60x = 2,615,438.40 × 679,609.60
  4. Step 4: Simplify right side
    1,744,921.60x = 1,777,477,044,848.64
  5. Step 5: Solve for x
    x = 1,777,477,044,848.64/1,744,921.60
  6. Step 6: Final answer
    x = 1,018,657.25

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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.