Home / 1,244,133.90-1,865,089.51-485,798.94

Finding the Fourth Proportional to 1,244,133.90, 1,865,089.51 and 485,798.94

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Solution

The fourth proportional to 1,244,133.90, 1,865,089.51 and 485,798.94 is: 728,264.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,244,133.90 : 1,865,089.51 = 485,798.94 : x
  2. Step 2: Convert to fraction form
    1,244,133.90/1,865,089.51 = 485,798.94/x
  3. Step 3: Cross multiply
    1,244,133.90x = 1,865,089.51 × 485,798.94
  4. Step 4: Simplify right side
    1,244,133.90x = 906,058,506,963.12
  5. Step 5: Solve for x
    x = 906,058,506,963.12/1,244,133.90
  6. Step 6: Final answer
    x = 728,264.46

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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.