Home / 1,470,085.71-2,028,742.20-816,753.88

Finding the Fourth Proportional to 1,470,085.71, 2,028,742.20 and 816,753.88

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Solution

The fourth proportional to 1,470,085.71, 2,028,742.20 and 816,753.88 is: 1,127,133.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,470,085.71 : 2,028,742.20 = 816,753.88 : x
  2. Step 2: Convert to fraction form
    1,470,085.71/2,028,742.20 = 816,753.88/x
  3. Step 3: Cross multiply
    1,470,085.71x = 2,028,742.20 × 816,753.88
  4. Step 4: Simplify right side
    1,470,085.71x = 1,656,983,065,905.66
  5. Step 5: Solve for x
    x = 1,656,983,065,905.66/1,470,085.71
  6. Step 6: Final answer
    x = 1,127,133.65

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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.