Home / 1,948,432.82-2,688,752.70-1,065,365.78

Finding the Fourth Proportional to 1,948,432.82, 2,688,752.70 and 1,065,365.78

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Solution

The fourth proportional to 1,948,432.82, 2,688,752.70 and 1,065,365.78 is: 1,470,158.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,948,432.82 : 2,688,752.70 = 1,065,365.78 : x
  2. Step 2: Convert to fraction form
    1,948,432.82/2,688,752.70 = 1,065,365.78/x
  3. Step 3: Cross multiply
    1,948,432.82x = 2,688,752.70 × 1,065,365.78
  4. Step 4: Simplify right side
    1,948,432.82x = 2,864,505,104,018.84
  5. Step 5: Solve for x
    x = 2,864,505,104,018.84/1,948,432.82
  6. Step 6: Final answer
    x = 1,470,158.52

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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.