Home / 1,425,022.44-1,966,530.96-780,444.16

Finding the Fourth Proportional to 1,425,022.44, 1,966,530.96 and 780,444.16

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Solution

The fourth proportional to 1,425,022.44, 1,966,530.96 and 780,444.16 is: 1,077,012.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,425,022.44 : 1,966,530.96 = 780,444.16 : x
  2. Step 2: Convert to fraction form
    1,425,022.44/1,966,530.96 = 780,444.16/x
  3. Step 3: Cross multiply
    1,425,022.44x = 1,966,530.96 × 780,444.16
  4. Step 4: Simplify right side
    1,425,022.44x = 1,534,767,603,191.19
  5. Step 5: Solve for x
    x = 1,534,767,603,191.19/1,425,022.44
  6. Step 6: Final answer
    x = 1,077,012.94

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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.