Home / 1,664,925.71-2,297,597.40-900,979.29

Finding the Fourth Proportional to 1,664,925.71, 2,297,597.40 and 900,979.29

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Solution

The fourth proportional to 1,664,925.71, 2,297,597.40 and 900,979.29 is: 1,243,351.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,664,925.71 : 2,297,597.40 = 900,979.29 : x
  2. Step 2: Convert to fraction form
    1,664,925.71/2,297,597.40 = 900,979.29/x
  3. Step 3: Cross multiply
    1,664,925.71x = 2,297,597.40 × 900,979.29
  4. Step 4: Simplify right side
    1,664,925.71x = 2,070,087,674,157.85
  5. Step 5: Solve for x
    x = 2,070,087,674,157.85/1,664,925.71
  6. Step 6: Final answer
    x = 1,243,351.38

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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.