Home / 1,400,783.76-2,101,218.12-547,821.36

Finding the Fourth Proportional to 1,400,783.76, 2,101,218.12 and 547,821.36

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Solution

The fourth proportional to 1,400,783.76, 2,101,218.12 and 547,821.36 is: 821,748.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,400,783.76 : 2,101,218.12 = 547,821.36 : x
  2. Step 2: Convert to fraction form
    1,400,783.76/2,101,218.12 = 547,821.36/x
  3. Step 3: Cross multiply
    1,400,783.76x = 2,101,218.12 × 547,821.36
  4. Step 4: Simplify right side
    1,400,783.76x = 1,151,092,168,155.04
  5. Step 5: Solve for x
    x = 1,151,092,168,155.04/1,400,783.76
  6. Step 6: Final answer
    x = 821,748.65

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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.