Home / 1,282,089.29-1,769,371.46-738,368.28

Finding the Fourth Proportional to 1,282,089.29, 1,769,371.46 and 738,368.28

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Solution

The fourth proportional to 1,282,089.29, 1,769,371.46 and 738,368.28 is: 1,018,999.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,282,089.29 : 1,769,371.46 = 738,368.28 : x
  2. Step 2: Convert to fraction form
    1,282,089.29/1,769,371.46 = 738,368.28/x
  3. Step 3: Cross multiply
    1,282,089.29x = 1,769,371.46 × 738,368.28
  4. Step 4: Simplify right side
    1,282,089.29x = 1,306,447,763,447.21
  5. Step 5: Solve for x
    x = 1,306,447,763,447.21/1,282,089.29
  6. Step 6: Final answer
    x = 1,018,999.05

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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.