Home / 1,119,829.40-1,679,750.40-278,381.16

Finding the Fourth Proportional to 1,119,829.40, 1,679,750.40 and 278,381.16

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Solution

The fourth proportional to 1,119,829.40, 1,679,750.40 and 278,381.16 is: 417,573.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,119,829.40 : 1,679,750.40 = 278,381.16 : x
  2. Step 2: Convert to fraction form
    1,119,829.40/1,679,750.40 = 278,381.16/x
  3. Step 3: Cross multiply
    1,119,829.40x = 1,679,750.40 × 278,381.16
  4. Step 4: Simplify right side
    1,119,829.40x = 467,610,864,862.46
  5. Step 5: Solve for x
    x = 467,610,864,862.46/1,119,829.40
  6. Step 6: Final answer
    x = 417,573.31

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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.