Home / 1,252,952.72-1,879,127.80-578,386.01

Finding the Fourth Proportional to 1,252,952.72, 1,879,127.80 and 578,386.01

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Solution

The fourth proportional to 1,252,952.72, 1,879,127.80 and 578,386.01 is: 867,439.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,252,952.72 : 1,879,127.80 = 578,386.01 : x
  2. Step 2: Convert to fraction form
    1,252,952.72/1,879,127.80 = 578,386.01/x
  3. Step 3: Cross multiply
    1,252,952.72x = 1,879,127.80 × 578,386.01
  4. Step 4: Simplify right side
    1,252,952.72x = 1,086,861,233,773.93
  5. Step 5: Solve for x
    x = 1,086,861,233,773.93/1,252,952.72
  6. Step 6: Final answer
    x = 867,439.94

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.