Home / 1,484,365.10-2,048,616.72-831,239.78

Finding the Fourth Proportional to 1,484,365.10, 2,048,616.72 and 831,239.78

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Solution

The fourth proportional to 1,484,365.10, 2,048,616.72 and 831,239.78 is: 1,147,218.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,484,365.10 : 2,048,616.72 = 831,239.78 : x
  2. Step 2: Convert to fraction form
    1,484,365.10/2,048,616.72 = 831,239.78/x
  3. Step 3: Cross multiply
    1,484,365.10x = 2,048,616.72 × 831,239.78
  4. Step 4: Simplify right side
    1,484,365.10x = 1,702,891,711,637.12
  5. Step 5: Solve for x
    x = 1,702,891,711,637.12/1,484,365.10
  6. Step 6: Final answer
    x = 1,147,218.91

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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.