Home / 1,155,087.65-1,731,118.29-554,854.57

Finding the Fourth Proportional to 1,155,087.65, 1,731,118.29 and 554,854.57

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Solution

The fourth proportional to 1,155,087.65, 1,731,118.29 and 554,854.57 is: 831,554.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,155,087.65 : 1,731,118.29 = 554,854.57 : x
  2. Step 2: Convert to fraction form
    1,155,087.65/1,731,118.29 = 554,854.57/x
  3. Step 3: Cross multiply
    1,155,087.65x = 1,731,118.29 × 554,854.57
  4. Step 4: Simplify right side
    1,155,087.65x = 960,518,894,417.09
  5. Step 5: Solve for x
    x = 960,518,894,417.09/1,155,087.65
  6. Step 6: Final answer
    x = 831,554.99

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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.