Home / 1,499,775.44-2,069,690.28-820,712

Finding the Fourth Proportional to 1,499,775.44, 2,069,690.28 and 820,712

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Solution

The fourth proportional to 1,499,775.44, 2,069,690.28 and 820,712 is: 1,132,582.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,499,775.44 : 2,069,690.28 = 820,712 : x
  2. Step 2: Convert to fraction form
    1,499,775.44/2,069,690.28 = 820,712/x
  3. Step 3: Cross multiply
    1,499,775.44x = 2,069,690.28 × 820,712
  4. Step 4: Simplify right side
    1,499,775.44x = 1,698,619,649,079.36
  5. Step 5: Solve for x
    x = 1,698,619,649,079.36/1,499,775.44
  6. Step 6: Final answer
    x = 1,132,582.65

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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.