Home / 1,288,468.93-1,778,108.54-707,745.75

Finding the Fourth Proportional to 1,288,468.93, 1,778,108.54 and 707,745.75

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Solution

The fourth proportional to 1,288,468.93, 1,778,108.54 and 707,745.75 is: 976,700.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,288,468.93 : 1,778,108.54 = 707,745.75 : x
  2. Step 2: Convert to fraction form
    1,288,468.93/1,778,108.54 = 707,745.75/x
  3. Step 3: Cross multiply
    1,288,468.93x = 1,778,108.54 × 707,745.75
  4. Step 4: Simplify right side
    1,288,468.93x = 1,258,448,762,223.71
  5. Step 5: Solve for x
    x = 1,258,448,762,223.71/1,288,468.93
  6. Step 6: Final answer
    x = 976,700.90

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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.