Home / 1,535,365.13-2,118,119.22-890,411.54

Finding the Fourth Proportional to 1,535,365.13, 2,118,119.22 and 890,411.54

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Solution

The fourth proportional to 1,535,365.13, 2,118,119.22 and 890,411.54 is: 1,228,370.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,535,365.13 : 2,118,119.22 = 890,411.54 : x
  2. Step 2: Convert to fraction form
    1,535,365.13/2,118,119.22 = 890,411.54/x
  3. Step 3: Cross multiply
    1,535,365.13x = 2,118,119.22 × 890,411.54
  4. Step 4: Simplify right side
    1,535,365.13x = 1,885,997,785,993.20
  5. Step 5: Solve for x
    x = 1,885,997,785,993.20/1,535,365.13
  6. Step 6: Final answer
    x = 1,228,370.86

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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.