Home / 1,500,968.64-2,071,259.52-821,773.76

Finding the Fourth Proportional to 1,500,968.64, 2,071,259.52 and 821,773.76

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Solution

The fourth proportional to 1,500,968.64, 2,071,259.52 and 821,773.76 is: 1,134,005.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,500,968.64 : 2,071,259.52 = 821,773.76 : x
  2. Step 2: Convert to fraction form
    1,500,968.64/2,071,259.52 = 821,773.76/x
  3. Step 3: Cross multiply
    1,500,968.64x = 2,071,259.52 × 821,773.76
  4. Step 4: Simplify right side
    1,500,968.64x = 1,702,106,723,686.20
  5. Step 5: Solve for x
    x = 1,702,106,723,686.20/1,500,968.64
  6. Step 6: Final answer
    x = 1,134,005.52

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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.