Home / 1,155,170.84-1,731,243.07-554,937.76

Finding the Fourth Proportional to 1,155,170.84, 1,731,243.07 and 554,937.76

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Solution

The fourth proportional to 1,155,170.84, 1,731,243.07 and 554,937.76 is: 831,679.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,155,170.84 : 1,731,243.07 = 554,937.76 : x
  2. Step 2: Convert to fraction form
    1,155,170.84/1,731,243.07 = 554,937.76/x
  3. Step 3: Cross multiply
    1,155,170.84x = 1,731,243.07 × 554,937.76
  4. Step 4: Simplify right side
    1,155,170.84x = 960,732,151,281.32
  5. Step 5: Solve for x
    x = 960,732,151,281.32/1,155,170.84
  6. Step 6: Final answer
    x = 831,679.71

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.