Home / 1,335,828.80-2,005,055.40-662,670.20

Finding the Fourth Proportional to 1,335,828.80, 2,005,055.40 and 662,670.20

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Solution

The fourth proportional to 1,335,828.80, 2,005,055.40 and 662,670.20 is: 994,656.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,335,828.80 : 2,005,055.40 = 662,670.20 : x
  2. Step 2: Convert to fraction form
    1,335,828.80/2,005,055.40 = 662,670.20/x
  3. Step 3: Cross multiply
    1,335,828.80x = 2,005,055.40 × 662,670.20
  4. Step 4: Simplify right side
    1,335,828.80x = 1,328,690,462,929.08
  5. Step 5: Solve for x
    x = 1,328,690,462,929.08/1,335,828.80
  6. Step 6: Final answer
    x = 994,656.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.