Home / 1,292,771.72-1,937,810.53-723,317.93

Finding the Fourth Proportional to 1,292,771.72, 1,937,810.53 and 723,317.93

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Solution

The fourth proportional to 1,292,771.72, 1,937,810.53 and 723,317.93 is: 1,084,223.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,292,771.72 : 1,937,810.53 = 723,317.93 : x
  2. Step 2: Convert to fraction form
    1,292,771.72/1,937,810.53 = 723,317.93/x
  3. Step 3: Cross multiply
    1,292,771.72x = 1,937,810.53 × 723,317.93
  4. Step 4: Simplify right side
    1,292,771.72x = 1,401,653,101,990.10
  5. Step 5: Solve for x
    x = 1,401,653,101,990.10/1,292,771.72
  6. Step 6: Final answer
    x = 1,084,223.21

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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.