Home / 1,455,040.38-2,007,802.16-843,385.01

Finding the Fourth Proportional to 1,455,040.38, 2,007,802.16 and 843,385.01

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Solution

The fourth proportional to 1,455,040.38, 2,007,802.16 and 843,385.01 is: 1,163,782.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,455,040.38 : 2,007,802.16 = 843,385.01 : x
  2. Step 2: Convert to fraction form
    1,455,040.38/2,007,802.16 = 843,385.01/x
  3. Step 3: Cross multiply
    1,455,040.38x = 2,007,802.16 × 843,385.01
  4. Step 4: Simplify right side
    1,455,040.38x = 1,693,350,230,533.69
  5. Step 5: Solve for x
    x = 1,693,350,230,533.69/1,455,040.38
  6. Step 6: Final answer
    x = 1,163,782.29

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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.