Home / 1,027,140.12-1,417,647.96-688,197.24

Finding the Fourth Proportional to 1,027,140.12, 1,417,647.96 and 688,197.24

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Solution

The fourth proportional to 1,027,140.12, 1,417,647.96 and 688,197.24 is: 949,842.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,027,140.12 : 1,417,647.96 = 688,197.24 : x
  2. Step 2: Convert to fraction form
    1,027,140.12/1,417,647.96 = 688,197.24/x
  3. Step 3: Cross multiply
    1,027,140.12x = 1,417,647.96 × 688,197.24
  4. Step 4: Simplify right side
    1,027,140.12x = 975,621,413,363.63
  5. Step 5: Solve for x
    x = 975,621,413,363.63/1,027,140.12
  6. Step 6: Final answer
    x = 949,842.57

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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.