Home / 1,450,698.20-2,001,342.64-905,888.16

Finding the Fourth Proportional to 1,450,698.20, 2,001,342.64 and 905,888.16

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Solution

The fourth proportional to 1,450,698.20, 2,001,342.64 and 905,888.16 is: 1,249,737.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,450,698.20 : 2,001,342.64 = 905,888.16 : x
  2. Step 2: Convert to fraction form
    1,450,698.20/2,001,342.64 = 905,888.16/x
  3. Step 3: Cross multiply
    1,450,698.20x = 2,001,342.64 × 905,888.16
  4. Step 4: Simplify right side
    1,450,698.20x = 1,812,992,601,679.14
  5. Step 5: Solve for x
    x = 1,812,992,601,679.14/1,450,698.20
  6. Step 6: Final answer
    x = 1,249,737.95

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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.