Home / 1,317,816.40-1,974,465.76-884,722.72

Finding the Fourth Proportional to 1,317,816.40, 1,974,465.76 and 884,722.72

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Solution

The fourth proportional to 1,317,816.40, 1,974,465.76 and 884,722.72 is: 1,325,567.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,317,816.40 : 1,974,465.76 = 884,722.72 : x
  2. Step 2: Convert to fraction form
    1,317,816.40/1,974,465.76 = 884,722.72/x
  3. Step 3: Cross multiply
    1,317,816.40x = 1,974,465.76 × 884,722.72
  4. Step 4: Simplify right side
    1,317,816.40x = 1,746,854,717,734.07
  5. Step 5: Solve for x
    x = 1,746,854,717,734.07/1,317,816.40
  6. Step 6: Final answer
    x = 1,325,567.60

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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.