Home / 1,813,506.40-2,502,638.79-997,692.57

Finding the Fourth Proportional to 1,813,506.40, 2,502,638.79 and 997,692.57

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Solution

The fourth proportional to 1,813,506.40, 2,502,638.79 and 997,692.57 is: 1,376,815.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,813,506.40 : 2,502,638.79 = 997,692.57 : x
  2. Step 2: Convert to fraction form
    1,813,506.40/2,502,638.79 = 997,692.57/x
  3. Step 3: Cross multiply
    1,813,506.40x = 2,502,638.79 × 997,692.57
  4. Step 4: Simplify right side
    1,813,506.40x = 2,496,864,113,663.60
  5. Step 5: Solve for x
    x = 2,496,864,113,663.60/1,813,506.40
  6. Step 6: Final answer
    x = 1,376,815.72

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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.