Home / 1,664,920.19-2,297,589.80-900,973.76

Finding the Fourth Proportional to 1,664,920.19, 2,297,589.80 and 900,973.76

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Solution

The fourth proportional to 1,664,920.19, 2,297,589.80 and 900,973.76 is: 1,243,343.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,664,920.19 : 2,297,589.80 = 900,973.76 : x
  2. Step 2: Convert to fraction form
    1,664,920.19/2,297,589.80 = 900,973.76/x
  3. Step 3: Cross multiply
    1,664,920.19x = 2,297,589.80 × 900,973.76
  4. Step 4: Simplify right side
    1,664,920.19x = 2,070,068,105,050.83
  5. Step 5: Solve for x
    x = 2,070,068,105,050.83/1,664,920.19
  6. Step 6: Final answer
    x = 1,243,343.75

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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.