Home / 1,333,520.42-2,000,076.98-434,960.55

Finding the Fourth Proportional to 1,333,520.42, 2,000,076.98 and 434,960.55

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Solution

The fourth proportional to 1,333,520.42, 2,000,076.98 and 434,960.55 is: 652,374.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,333,520.42 : 2,000,076.98 = 434,960.55 : x
  2. Step 2: Convert to fraction form
    1,333,520.42/2,000,076.98 = 434,960.55/x
  3. Step 3: Cross multiply
    1,333,520.42x = 2,000,076.98 × 434,960.55
  4. Step 4: Simplify right side
    1,333,520.42x = 869,954,581,088.34
  5. Step 5: Solve for x
    x = 869,954,581,088.34/1,333,520.42
  6. Step 6: Final answer
    x = 652,374.40

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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.