Home / 1,380,401.46-2,070,811.17-433,683.18

Finding the Fourth Proportional to 1,380,401.46, 2,070,811.17 and 433,683.18

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Solution

The fourth proportional to 1,380,401.46, 2,070,811.17 and 433,683.18 is: 650,590.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,380,401.46 : 2,070,811.17 = 433,683.18 : x
  2. Step 2: Convert to fraction form
    1,380,401.46/2,070,811.17 = 433,683.18/x
  3. Step 3: Cross multiply
    1,380,401.46x = 2,070,811.17 × 433,683.18
  4. Step 4: Simplify right side
    1,380,401.46x = 898,075,973,385.12
  5. Step 5: Solve for x
    x = 898,075,973,385.12/1,380,401.46
  6. Step 6: Final answer
    x = 650,590.43

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Double scale
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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.