Home / 1,813,019.84-2,501,972.40-997,307.12

Finding the Fourth Proportional to 1,813,019.84, 2,501,972.40 and 997,307.12

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Solution

The fourth proportional to 1,813,019.84, 2,501,972.40 and 997,307.12 is: 1,376,286.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,813,019.84 : 2,501,972.40 = 997,307.12 : x
  2. Step 2: Convert to fraction form
    1,813,019.84/2,501,972.40 = 997,307.12/x
  3. Step 3: Cross multiply
    1,813,019.84x = 2,501,972.40 × 997,307.12
  4. Step 4: Simplify right side
    1,813,019.84x = 2,495,234,888,563.49
  5. Step 5: Solve for x
    x = 2,495,234,888,563.49/1,813,019.84
  6. Step 6: Final answer
    x = 1,376,286.59

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.