Home / 1,277,150.74-1,913,558.23-770,647.48

Finding the Fourth Proportional to 1,277,150.74, 1,913,558.23 and 770,647.48

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Solution

The fourth proportional to 1,277,150.74, 1,913,558.23 and 770,647.48 is: 1,154,663.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,277,150.74 : 1,913,558.23 = 770,647.48 : x
  2. Step 2: Convert to fraction form
    1,277,150.74/1,913,558.23 = 770,647.48/x
  3. Step 3: Cross multiply
    1,277,150.74x = 1,913,558.23 × 770,647.48
  4. Step 4: Simplify right side
    1,277,150.74x = 1,474,678,827,782.76
  5. Step 5: Solve for x
    x = 1,474,678,827,782.76/1,277,150.74
  6. Step 6: Final answer
    x = 1,154,663.10

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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.