Home / 1,458,434.89-2,012,640.54-805,061.29

Finding the Fourth Proportional to 1,458,434.89, 2,012,640.54 and 805,061.29

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Solution

The fourth proportional to 1,458,434.89, 2,012,640.54 and 805,061.29 is: 1,110,984.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,458,434.89 : 2,012,640.54 = 805,061.29 : x
  2. Step 2: Convert to fraction form
    1,458,434.89/2,012,640.54 = 805,061.29/x
  3. Step 3: Cross multiply
    1,458,434.89x = 2,012,640.54 × 805,061.29
  4. Step 4: Simplify right side
    1,458,434.89x = 1,620,298,989,438.70
  5. Step 5: Solve for x
    x = 1,620,298,989,438.70/1,458,434.89
  6. Step 6: Final answer
    x = 1,110,984.80

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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.