Home / 1,230,137.61-1,843,710.43-870,412.11

Finding the Fourth Proportional to 1,230,137.61, 1,843,710.43 and 870,412.11

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Solution

The fourth proportional to 1,230,137.61, 1,843,710.43 and 870,412.11 is: 1,304,559.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,230,137.61 : 1,843,710.43 = 870,412.11 : x
  2. Step 2: Convert to fraction form
    1,230,137.61/1,843,710.43 = 870,412.11/x
  3. Step 3: Cross multiply
    1,230,137.61x = 1,843,710.43 × 870,412.11
  4. Step 4: Simplify right side
    1,230,137.61x = 1,604,787,885,605.31
  5. Step 5: Solve for x
    x = 1,604,787,885,605.31/1,230,137.61
  6. Step 6: Final answer
    x = 1,304,559.65

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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.