Home / 1,344,415.74-1,855,206.63-740,803.74

Finding the Fourth Proportional to 1,344,415.74, 1,855,206.63 and 740,803.74

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Solution

The fourth proportional to 1,344,415.74, 1,855,206.63 and 740,803.74 is: 1,022,261.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,344,415.74 : 1,855,206.63 = 740,803.74 : x
  2. Step 2: Convert to fraction form
    1,344,415.74/1,855,206.63 = 740,803.74/x
  3. Step 3: Cross multiply
    1,344,415.74x = 1,855,206.63 × 740,803.74
  4. Step 4: Simplify right side
    1,344,415.74x = 1,374,344,009,976.80
  5. Step 5: Solve for x
    x = 1,374,344,009,976.80/1,344,415.74
  6. Step 6: Final answer
    x = 1,022,261.17

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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.