Home / 909,167.49-1,366,740.95-843,401.57

Finding the Fourth Proportional to 909,167.49, 1,366,740.95 and 843,401.57

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Solution

The fourth proportional to 909,167.49, 1,366,740.95 and 843,401.57 is: 1,267,875.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,167.49 : 1,366,740.95 = 843,401.57 : x
  2. Step 2: Convert to fraction form
    909,167.49/1,366,740.95 = 843,401.57/x
  3. Step 3: Cross multiply
    909,167.49x = 1,366,740.95 × 843,401.57
  4. Step 4: Simplify right side
    909,167.49x = 1,152,711,451,962.58
  5. Step 5: Solve for x
    x = 1,152,711,451,962.58/909,167.49
  6. Step 6: Final answer
    x = 1,267,875.79

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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.