Home / 1,458,320.49-2,012,181.84-838,005.84

Finding the Fourth Proportional to 1,458,320.49, 2,012,181.84 and 838,005.84

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Solution

The fourth proportional to 1,458,320.49, 2,012,181.84 and 838,005.84 is: 1,156,275.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,458,320.49 : 2,012,181.84 = 838,005.84 : x
  2. Step 2: Convert to fraction form
    1,458,320.49/2,012,181.84 = 838,005.84/x
  3. Step 3: Cross multiply
    1,458,320.49x = 2,012,181.84 × 838,005.84
  4. Step 4: Simplify right side
    1,458,320.49x = 1,686,220,133,061.95
  5. Step 5: Solve for x
    x = 1,686,220,133,061.95/1,458,320.49
  6. Step 6: Final answer
    x = 1,156,275.42

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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.