Home / 1,317,830.64-1,976,869.08-371,199.84

Finding the Fourth Proportional to 1,317,830.64, 1,976,869.08 and 371,199.84

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Solution

The fourth proportional to 1,317,830.64, 1,976,869.08 and 371,199.84 is: 556,834.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,317,830.64 : 1,976,869.08 = 371,199.84 : x
  2. Step 2: Convert to fraction form
    1,317,830.64/1,976,869.08 = 371,199.84/x
  3. Step 3: Cross multiply
    1,317,830.64x = 1,976,869.08 × 371,199.84
  4. Step 4: Simplify right side
    1,317,830.64x = 733,813,486,196.95
  5. Step 5: Solve for x
    x = 733,813,486,196.95/1,317,830.64
  6. Step 6: Final answer
    x = 556,834.44

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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.