Home / 1,664,916.74-2,297,585.01-900,970.30

Finding the Fourth Proportional to 1,664,916.74, 2,297,585.01 and 900,970.30

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Solution

The fourth proportional to 1,664,916.74, 2,297,585.01 and 900,970.30 is: 1,243,338.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,664,916.74 : 2,297,585.01 = 900,970.30 : x
  2. Step 2: Convert to fraction form
    1,664,916.74/2,297,585.01 = 900,970.30/x
  3. Step 3: Cross multiply
    1,664,916.74x = 2,297,585.01 × 900,970.30
  4. Step 4: Simplify right side
    1,664,916.74x = 2,070,055,855,735.20
  5. Step 5: Solve for x
    x = 2,070,055,855,735.20/1,664,916.74
  6. Step 6: Final answer
    x = 1,243,338.96

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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.