Home / 1,022,647.23-1,533,970.83-391,561.02

Finding the Fourth Proportional to 1,022,647.23, 1,533,970.83 and 391,561.02

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Solution

The fourth proportional to 1,022,647.23, 1,533,970.83 and 391,561.02 is: 587,341.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,022,647.23 : 1,533,970.83 = 391,561.02 : x
  2. Step 2: Convert to fraction form
    1,022,647.23/1,533,970.83 = 391,561.02/x
  3. Step 3: Cross multiply
    1,022,647.23x = 1,533,970.83 × 391,561.02
  4. Step 4: Simplify right side
    1,022,647.23x = 600,643,182,845.05
  5. Step 5: Solve for x
    x = 600,643,182,845.05/1,022,647.23
  6. Step 6: Final answer
    x = 587,341.52

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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.