Home / 1,190,153.61-1,642,425.35-646,295.85

Finding the Fourth Proportional to 1,190,153.61, 1,642,425.35 and 646,295.85

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Solution

The fourth proportional to 1,190,153.61, 1,642,425.35 and 646,295.85 is: 891,895.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,190,153.61 : 1,642,425.35 = 646,295.85 : x
  2. Step 2: Convert to fraction form
    1,190,153.61/1,642,425.35 = 646,295.85/x
  3. Step 3: Cross multiply
    1,190,153.61x = 1,642,425.35 × 646,295.85
  4. Step 4: Simplify right side
    1,190,153.61x = 1,061,492,684,408.32
  5. Step 5: Solve for x
    x = 1,061,492,684,408.32/1,190,153.61
  6. Step 6: Final answer
    x = 891,895.53

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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.