Home / 1,050,087.84-1,449,230.04-642,461.28

Finding the Fourth Proportional to 1,050,087.84, 1,449,230.04 and 642,461.28

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Solution

The fourth proportional to 1,050,087.84, 1,449,230.04 and 642,461.28 is: 886,663.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,050,087.84 : 1,449,230.04 = 642,461.28 : x
  2. Step 2: Convert to fraction form
    1,050,087.84/1,449,230.04 = 642,461.28/x
  3. Step 3: Cross multiply
    1,050,087.84x = 1,449,230.04 × 642,461.28
  4. Step 4: Simplify right side
    1,050,087.84x = 931,074,186,512.85
  5. Step 5: Solve for x
    x = 931,074,186,512.85/1,050,087.84
  6. Step 6: Final answer
    x = 886,663.14

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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.