Home / 1,572,840.51-2,170,499.21-884,512.17

Finding the Fourth Proportional to 1,572,840.51, 2,170,499.21 and 884,512.17

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Solution

The fourth proportional to 1,572,840.51, 2,170,499.21 and 884,512.17 is: 1,220,615.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,572,840.51 : 2,170,499.21 = 884,512.17 : x
  2. Step 2: Convert to fraction form
    1,572,840.51/2,170,499.21 = 884,512.17/x
  3. Step 3: Cross multiply
    1,572,840.51x = 2,170,499.21 × 884,512.17
  4. Step 4: Simplify right side
    1,572,840.51x = 1,919,832,961,797.83
  5. Step 5: Solve for x
    x = 1,919,832,961,797.83/1,572,840.51
  6. Step 6: Final answer
    x = 1,220,615.15

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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.