Home / 1,313,824.42-1,813,139.93-740,852.29

Finding the Fourth Proportional to 1,313,824.42, 1,813,139.93 and 740,852.29

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Solution

The fourth proportional to 1,313,824.42, 1,813,139.93 and 740,852.29 is: 1,022,411.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,313,824.42 : 1,813,139.93 = 740,852.29 : x
  2. Step 2: Convert to fraction form
    1,313,824.42/1,813,139.93 = 740,852.29/x
  3. Step 3: Cross multiply
    1,313,824.42x = 1,813,139.93 × 740,852.29
  4. Step 4: Simplify right side
    1,313,824.42x = 1,343,268,856,460.98
  5. Step 5: Solve for x
    x = 1,343,268,856,460.98/1,313,824.42
  6. Step 6: Final answer
    x = 1,022,411.25

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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.