Home / 1,317,812.40-1,974,459.78-884,718.72

Finding the Fourth Proportional to 1,317,812.40, 1,974,459.78 and 884,718.72

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Solution

The fourth proportional to 1,317,812.40, 1,974,459.78 and 884,718.72 is: 1,325,561.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,317,812.40 : 1,974,459.78 = 884,718.72 : x
  2. Step 2: Convert to fraction form
    1,317,812.40/1,974,459.78 = 884,718.72/x
  3. Step 3: Cross multiply
    1,317,812.40x = 1,974,459.78 × 884,718.72
  4. Step 4: Simplify right side
    1,317,812.40x = 1,746,841,529,253.08
  5. Step 5: Solve for x
    x = 1,746,841,529,253.08/1,317,812.40
  6. Step 6: Final answer
    x = 1,325,561.61

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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.