Home / 1,845,117.70-2,768,065.35-779,611.30

Finding the Fourth Proportional to 1,845,117.70, 2,768,065.35 and 779,611.30

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Solution

The fourth proportional to 1,845,117.70, 2,768,065.35 and 779,611.30 is: 1,169,581.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,845,117.70 : 2,768,065.35 = 779,611.30 : x
  2. Step 2: Convert to fraction form
    1,845,117.70/2,768,065.35 = 779,611.30/x
  3. Step 3: Cross multiply
    1,845,117.70x = 2,768,065.35 × 779,611.30
  4. Step 4: Simplify right side
    1,845,117.70x = 2,158,015,025,998.46
  5. Step 5: Solve for x
    x = 2,158,015,025,998.46/1,845,117.70
  6. Step 6: Final answer
    x = 1,169,581.23

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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.