Home / 1,182,122.70-1,773,184.05-684,458.70

Finding the Fourth Proportional to 1,182,122.70, 1,773,184.05 and 684,458.70

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Solution

The fourth proportional to 1,182,122.70, 1,773,184.05 and 684,458.70 is: 1,026,688.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,182,122.70 : 1,773,184.05 = 684,458.70 : x
  2. Step 2: Convert to fraction form
    1,182,122.70/1,773,184.05 = 684,458.70/x
  3. Step 3: Cross multiply
    1,182,122.70x = 1,773,184.05 × 684,458.70
  4. Step 4: Simplify right side
    1,182,122.70x = 1,213,671,249,723.73
  5. Step 5: Solve for x
    x = 1,213,671,249,723.73/1,182,122.70
  6. Step 6: Final answer
    x = 1,026,688.05

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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.