Home / 1,201,666.72-1,658,323.92-742,848.16

Finding the Fourth Proportional to 1,201,666.72, 1,658,323.92 and 742,848.16

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Solution

The fourth proportional to 1,201,666.72, 1,658,323.92 and 742,848.16 is: 1,025,145.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,201,666.72 : 1,658,323.92 = 742,848.16 : x
  2. Step 2: Convert to fraction form
    1,201,666.72/1,658,323.92 = 742,848.16/x
  3. Step 3: Cross multiply
    1,201,666.72x = 1,658,323.92 × 742,848.16
  4. Step 4: Simplify right side
    1,201,666.72x = 1,231,882,872,655.99
  5. Step 5: Solve for x
    x = 1,231,882,872,655.99/1,201,666.72
  6. Step 6: Final answer
    x = 1,025,145.20

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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.