Home / 1,152,387.16-1,728,580.70-310,938.88

Finding the Fourth Proportional to 1,152,387.16, 1,728,580.70 and 310,938.88

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Solution

The fourth proportional to 1,152,387.16, 1,728,580.70 and 310,938.88 is: 466,408.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,152,387.16 : 1,728,580.70 = 310,938.88 : x
  2. Step 2: Convert to fraction form
    1,152,387.16/1,728,580.70 = 310,938.88/x
  3. Step 3: Cross multiply
    1,152,387.16x = 1,728,580.70 × 310,938.88
  4. Step 4: Simplify right side
    1,152,387.16x = 537,482,946,847.62
  5. Step 5: Solve for x
    x = 537,482,946,847.62/1,152,387.16
  6. Step 6: Final answer
    x = 466,408.31

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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.