Home / 1,155,088.65-1,731,119.79-554,855.57

Finding the Fourth Proportional to 1,155,088.65, 1,731,119.79 and 554,855.57

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Solution

The fourth proportional to 1,155,088.65, 1,731,119.79 and 554,855.57 is: 831,556.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,155,088.65 : 1,731,119.79 = 554,855.57 : x
  2. Step 2: Convert to fraction form
    1,155,088.65/1,731,119.79 = 554,855.57/x
  3. Step 3: Cross multiply
    1,155,088.65x = 1,731,119.79 × 554,855.57
  4. Step 4: Simplify right side
    1,155,088.65x = 960,521,457,818.73
  5. Step 5: Solve for x
    x = 960,521,457,818.73/1,155,088.65
  6. Step 6: Final answer
    x = 831,556.49

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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.