Home / 1,225,895.32-1,691,968.54-767,223.10

Finding the Fourth Proportional to 1,225,895.32, 1,691,968.54 and 767,223.10

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Solution

The fourth proportional to 1,225,895.32, 1,691,968.54 and 767,223.10 is: 1,058,913.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,225,895.32 : 1,691,968.54 = 767,223.10 : x
  2. Step 2: Convert to fraction form
    1,225,895.32/1,691,968.54 = 767,223.10/x
  3. Step 3: Cross multiply
    1,225,895.32x = 1,691,968.54 × 767,223.10
  4. Step 4: Simplify right side
    1,225,895.32x = 1,298,117,348,361.27
  5. Step 5: Solve for x
    x = 1,298,117,348,361.27/1,225,895.32
  6. Step 6: Final answer
    x = 1,058,913.70

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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.