Home / 1,282,431.29-1,769,807.27-709,461.59

Finding the Fourth Proportional to 1,282,431.29, 1,769,807.27 and 709,461.59

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Solution

The fourth proportional to 1,282,431.29, 1,769,807.27 and 709,461.59 is: 979,085.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,282,431.29 : 1,769,807.27 = 709,461.59 : x
  2. Step 2: Convert to fraction form
    1,282,431.29/1,769,807.27 = 709,461.59/x
  3. Step 3: Cross multiply
    1,282,431.29x = 1,769,807.27 × 709,461.59
  4. Step 4: Simplify right side
    1,282,431.29x = 1,255,610,272,692.38
  5. Step 5: Solve for x
    x = 1,255,610,272,692.38/1,282,431.29
  6. Step 6: Final answer
    x = 979,085.81

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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.