Home / 1,353,411.60-2,030,635.80-1,332,157.20

Finding the Fourth Proportional to 1,353,411.60, 2,030,635.80 and 1,332,157.20

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Solution

The fourth proportional to 1,353,411.60, 2,030,635.80 and 1,332,157.20 is: 1,998,746.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,353,411.60 : 2,030,635.80 = 1,332,157.20 : x
  2. Step 2: Convert to fraction form
    1,353,411.60/2,030,635.80 = 1,332,157.20/x
  3. Step 3: Cross multiply
    1,353,411.60x = 2,030,635.80 × 1,332,157.20
  4. Step 4: Simplify right side
    1,353,411.60x = 2,705,126,101,547.76
  5. Step 5: Solve for x
    x = 2,705,126,101,547.76/1,353,411.60
  6. Step 6: Final answer
    x = 1,998,746.06

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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.