Home / 1,380,204.30-2,070,306.45-433,670.70

Finding the Fourth Proportional to 1,380,204.30, 2,070,306.45 and 433,670.70

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Solution

The fourth proportional to 1,380,204.30, 2,070,306.45 and 433,670.70 is: 650,506.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,380,204.30 : 2,070,306.45 = 433,670.70 : x
  2. Step 2: Convert to fraction form
    1,380,204.30/2,070,306.45 = 433,670.70/x
  3. Step 3: Cross multiply
    1,380,204.30x = 2,070,306.45 × 433,670.70
  4. Step 4: Simplify right side
    1,380,204.30x = 897,831,247,386.02
  5. Step 5: Solve for x
    x = 897,831,247,386.02/1,380,204.30
  6. Step 6: Final answer
    x = 650,506.05

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1.5x scale

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.