Home / 1,015,430.27-1,401,448.16-648,065.90

Finding the Fourth Proportional to 1,015,430.27, 1,401,448.16 and 648,065.90

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Solution

The fourth proportional to 1,015,430.27, 1,401,448.16 and 648,065.90 is: 894,429.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,015,430.27 : 1,401,448.16 = 648,065.90 : x
  2. Step 2: Convert to fraction form
    1,015,430.27/1,401,448.16 = 648,065.90/x
  3. Step 3: Cross multiply
    1,015,430.27x = 1,401,448.16 × 648,065.90
  4. Step 4: Simplify right side
    1,015,430.27x = 908,230,763,377.04
  5. Step 5: Solve for x
    x = 908,230,763,377.04/1,015,430.27
  6. Step 6: Final answer
    x = 894,429.48

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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.