Home / 1,440,830.35-1,988,292.15-829,077.70

Finding the Fourth Proportional to 1,440,830.35, 1,988,292.15 and 829,077.70

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Solution

The fourth proportional to 1,440,830.35, 1,988,292.15 and 829,077.70 is: 1,144,096.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,440,830.35 : 1,988,292.15 = 829,077.70 : x
  2. Step 2: Convert to fraction form
    1,440,830.35/1,988,292.15 = 829,077.70/x
  3. Step 3: Cross multiply
    1,440,830.35x = 1,988,292.15 × 829,077.70
  4. Step 4: Simplify right side
    1,440,830.35x = 1,648,448,682,650.06
  5. Step 5: Solve for x
    x = 1,648,448,682,650.06/1,440,830.35
  6. Step 6: Final answer
    x = 1,144,096.31

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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.