Home / 1,152,422.74-1,590,493.86-643,230.82

Finding the Fourth Proportional to 1,152,422.74, 1,590,493.86 and 643,230.82

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Solution

The fourth proportional to 1,152,422.74, 1,590,493.86 and 643,230.82 is: 887,742.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,152,422.74 : 1,590,493.86 = 643,230.82 : x
  2. Step 2: Convert to fraction form
    1,152,422.74/1,590,493.86 = 643,230.82/x
  3. Step 3: Cross multiply
    1,152,422.74x = 1,590,493.86 × 643,230.82
  4. Step 4: Simplify right side
    1,152,422.74x = 1,023,054,669,772.77
  5. Step 5: Solve for x
    x = 1,023,054,669,772.77/1,152,422.74
  6. Step 6: Final answer
    x = 887,742.52

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