Home / 1,463,995.47-2,020,313.30-819,415.50

Finding the Fourth Proportional to 1,463,995.47, 2,020,313.30 and 819,415.50

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Solution

The fourth proportional to 1,463,995.47, 2,020,313.30 and 819,415.50 is: 1,130,793.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,463,995.47 : 2,020,313.30 = 819,415.50 : x
  2. Step 2: Convert to fraction form
    1,463,995.47/2,020,313.30 = 819,415.50/x
  3. Step 3: Cross multiply
    1,463,995.47x = 2,020,313.30 × 819,415.50
  4. Step 4: Simplify right side
    1,463,995.47x = 1,655,476,032,876.15
  5. Step 5: Solve for x
    x = 1,655,476,032,876.15/1,463,995.47
  6. Step 6: Final answer
    x = 1,130,793.14

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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.