Home / 1,238,373.86-1,707,373.94-802,020.28

Finding the Fourth Proportional to 1,238,373.86, 1,707,373.94 and 802,020.28

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Solution

The fourth proportional to 1,238,373.86, 1,707,373.94 and 802,020.28 is: 1,105,763.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,238,373.86 : 1,707,373.94 = 802,020.28 : x
  2. Step 2: Convert to fraction form
    1,238,373.86/1,707,373.94 = 802,020.28/x
  3. Step 3: Cross multiply
    1,238,373.86x = 1,707,373.94 × 802,020.28
  4. Step 4: Simplify right side
    1,238,373.86x = 1,369,348,525,423.50
  5. Step 5: Solve for x
    x = 1,369,348,525,423.50/1,238,373.86
  6. Step 6: Final answer
    x = 1,105,763.43

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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.