Home / 1,416,726.45-1,955,125.15-772,188.39

Finding the Fourth Proportional to 1,416,726.45, 1,955,125.15 and 772,188.39

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Solution

The fourth proportional to 1,416,726.45, 1,955,125.15 and 772,188.39 is: 1,065,643.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,416,726.45 : 1,955,125.15 = 772,188.39 : x
  2. Step 2: Convert to fraction form
    1,416,726.45/1,955,125.15 = 772,188.39/x
  3. Step 3: Cross multiply
    1,416,726.45x = 1,955,125.15 × 772,188.39
  4. Step 4: Simplify right side
    1,416,726.45x = 1,509,724,939,896.54
  5. Step 5: Solve for x
    x = 1,509,724,939,896.54/1,416,726.45
  6. Step 6: Final answer
    x = 1,065,643.22

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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.