Home / 1,000,356.96-1,380,363.84-570,611.46

Finding the Fourth Proportional to 1,000,356.96, 1,380,363.84 and 570,611.46

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Solution

The fourth proportional to 1,000,356.96, 1,380,363.84 and 570,611.46 is: 787,370.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,000,356.96 : 1,380,363.84 = 570,611.46 : x
  2. Step 2: Convert to fraction form
    1,000,356.96/1,380,363.84 = 570,611.46/x
  3. Step 3: Cross multiply
    1,000,356.96x = 1,380,363.84 × 570,611.46
  4. Step 4: Simplify right side
    1,000,356.96x = 787,651,426,073.61
  5. Step 5: Solve for x
    x = 787,651,426,073.61/1,000,356.96
  6. Step 6: Final answer
    x = 787,370.37

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.