Home / 1,277,150.24-1,913,557.48-770,646.98

Finding the Fourth Proportional to 1,277,150.24, 1,913,557.48 and 770,646.98

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Solution

The fourth proportional to 1,277,150.24, 1,913,557.48 and 770,646.98 is: 1,154,662.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,277,150.24 : 1,913,557.48 = 770,646.98 : x
  2. Step 2: Convert to fraction form
    1,277,150.24/1,913,557.48 = 770,646.98/x
  3. Step 3: Cross multiply
    1,277,150.24x = 1,913,557.48 × 770,646.98
  4. Step 4: Simplify right side
    1,277,150.24x = 1,474,677,293,018.41
  5. Step 5: Solve for x
    x = 1,474,677,293,018.41/1,277,150.24
  6. Step 6: Final answer
    x = 1,154,662.35

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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.