Home / 1,870,291.76-2,805,555.74-790,602.98

Finding the Fourth Proportional to 1,870,291.76, 2,805,555.74 and 790,602.98

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Solution

The fourth proportional to 1,870,291.76, 2,805,555.74 and 790,602.98 is: 1,185,954.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,870,291.76 : 2,805,555.74 = 790,602.98 : x
  2. Step 2: Convert to fraction form
    1,870,291.76/2,805,555.74 = 790,602.98/x
  3. Step 3: Cross multiply
    1,870,291.76x = 2,805,555.74 × 790,602.98
  4. Step 4: Simplify right side
    1,870,291.76x = 2,218,080,728,600.11
  5. Step 5: Solve for x
    x = 2,218,080,728,600.11/1,870,291.76
  6. Step 6: Final answer
    x = 1,185,954.39

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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.