Home / 1,315,799.84-1,974,487.08-1,208,724.32

Finding the Fourth Proportional to 1,315,799.84, 1,974,487.08 and 1,208,724.32

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Solution

The fourth proportional to 1,315,799.84, 1,974,487.08 and 1,208,724.32 is: 1,813,809.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,315,799.84 : 1,974,487.08 = 1,208,724.32 : x
  2. Step 2: Convert to fraction form
    1,315,799.84/1,974,487.08 = 1,208,724.32/x
  3. Step 3: Cross multiply
    1,315,799.84x = 1,974,487.08 × 1,208,724.32
  4. Step 4: Simplify right side
    1,315,799.84x = 2,386,610,553,121.79
  5. Step 5: Solve for x
    x = 2,386,610,553,121.79/1,315,799.84
  6. Step 6: Final answer
    x = 1,813,809.73

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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.