Home / 1,484,214.78-2,048,220.34-805,151.28

Finding the Fourth Proportional to 1,484,214.78, 2,048,220.34 and 805,151.28

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Solution

The fourth proportional to 1,484,214.78, 2,048,220.34 and 805,151.28 is: 1,111,110.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,484,214.78 : 2,048,220.34 = 805,151.28 : x
  2. Step 2: Convert to fraction form
    1,484,214.78/2,048,220.34 = 805,151.28/x
  3. Step 3: Cross multiply
    1,484,214.78x = 2,048,220.34 × 805,151.28
  4. Step 4: Simplify right side
    1,484,214.78x = 1,649,127,228,473.04
  5. Step 5: Solve for x
    x = 1,649,127,228,473.04/1,484,214.78
  6. Step 6: Final answer
    x = 1,111,110.91

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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.