Home / 1,022,730-1,534,316.45-391,643.84

Finding the Fourth Proportional to 1,022,730, 1,534,316.45 and 391,643.84

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Solution

The fourth proportional to 1,022,730, 1,534,316.45 and 391,643.84 is: 587,550.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,022,730 : 1,534,316.45 = 391,643.84 : x
  2. Step 2: Convert to fraction form
    1,022,730/1,534,316.45 = 391,643.84/x
  3. Step 3: Cross multiply
    1,022,730x = 1,534,316.45 × 391,643.84
  4. Step 4: Simplify right side
    1,022,730x = 600,905,576,623.37
  5. Step 5: Solve for x
    x = 600,905,576,623.37/1,022,730
  6. Step 6: Final answer
    x = 587,550.55

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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.