Home / 1,440,829.35-1,988,290.77-829,076.70

Finding the Fourth Proportional to 1,440,829.35, 1,988,290.77 and 829,076.70

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Solution

The fourth proportional to 1,440,829.35, 1,988,290.77 and 829,076.70 is: 1,144,094.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,440,829.35 : 1,988,290.77 = 829,076.70 : x
  2. Step 2: Convert to fraction form
    1,440,829.35/1,988,290.77 = 829,076.70/x
  3. Step 3: Cross multiply
    1,440,829.35x = 1,988,290.77 × 829,076.70
  4. Step 4: Simplify right side
    1,440,829.35x = 1,648,445,550,232.06
  5. Step 5: Solve for x
    x = 1,648,445,550,232.06/1,440,829.35
  6. Step 6: Final answer
    x = 1,144,094.93

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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.