Home / 1,018,809.20-1,405,969.48-559,973.92

Finding the Fourth Proportional to 1,018,809.20, 1,405,969.48 and 559,973.92

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Solution

The fourth proportional to 1,018,809.20, 1,405,969.48 and 559,973.92 is: 772,771.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,018,809.20 : 1,405,969.48 = 559,973.92 : x
  2. Step 2: Convert to fraction form
    1,018,809.20/1,405,969.48 = 559,973.92/x
  3. Step 3: Cross multiply
    1,018,809.20x = 1,405,969.48 × 559,973.92
  4. Step 4: Simplify right side
    1,018,809.20x = 787,306,241,115.96
  5. Step 5: Solve for x
    x = 787,306,241,115.96/1,018,809.20
  6. Step 6: Final answer
    x = 772,771.04

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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.