Home / 1,663,388.40-2,295,474.36-899,440.14

Finding the Fourth Proportional to 1,663,388.40, 2,295,474.36 and 899,440.14

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Solution

The fourth proportional to 1,663,388.40, 2,295,474.36 and 899,440.14 is: 1,241,226.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,663,388.40 : 2,295,474.36 = 899,440.14 : x
  2. Step 2: Convert to fraction form
    1,663,388.40/2,295,474.36 = 899,440.14/x
  3. Step 3: Cross multiply
    1,663,388.40x = 2,295,474.36 × 899,440.14
  4. Step 4: Simplify right side
    1,663,388.40x = 2,064,641,779,724.81
  5. Step 5: Solve for x
    x = 2,064,641,779,724.81/1,663,388.40
  6. Step 6: Final answer
    x = 1,241,226.51

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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.