Home / 1,440,862.80-1,988,336.88-829,110.03

Finding the Fourth Proportional to 1,440,862.80, 1,988,336.88 and 829,110.03

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Solution

The fourth proportional to 1,440,862.80, 1,988,336.88 and 829,110.03 is: 1,144,140.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,440,862.80 : 1,988,336.88 = 829,110.03 : x
  2. Step 2: Convert to fraction form
    1,440,862.80/1,988,336.88 = 829,110.03/x
  3. Step 3: Cross multiply
    1,440,862.80x = 1,988,336.88 × 829,110.03
  4. Step 4: Simplify right side
    1,440,862.80x = 1,648,550,050,226.91
  5. Step 5: Solve for x
    x = 1,648,550,050,226.91/1,440,862.80
  6. Step 6: Final answer
    x = 1,144,140.89

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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.