Home / 1,281,656.40-1,922,776.20-748,903.20

Finding the Fourth Proportional to 1,281,656.40, 1,922,776.20 and 748,903.20

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Solution

The fourth proportional to 1,281,656.40, 1,922,776.20 and 748,903.20 is: 1,123,525.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,281,656.40 : 1,922,776.20 = 748,903.20 : x
  2. Step 2: Convert to fraction form
    1,281,656.40/1,922,776.20 = 748,903.20/x
  3. Step 3: Cross multiply
    1,281,656.40x = 1,922,776.20 × 748,903.20
  4. Step 4: Simplify right side
    1,281,656.40x = 1,439,973,249,063.84
  5. Step 5: Solve for x
    x = 1,439,973,249,063.84/1,281,656.40
  6. Step 6: Final answer
    x = 1,123,525.19

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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.