Home / 1,664,917.16-2,297,585.64-900,970.72

Finding the Fourth Proportional to 1,664,917.16, 2,297,585.64 and 900,970.72

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Solution

The fourth proportional to 1,664,917.16, 2,297,585.64 and 900,970.72 is: 1,243,339.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,664,917.16 : 2,297,585.64 = 900,970.72 : x
  2. Step 2: Convert to fraction form
    1,664,917.16/2,297,585.64 = 900,970.72/x
  3. Step 3: Cross multiply
    1,664,917.16x = 2,297,585.64 × 900,970.72
  4. Step 4: Simplify right side
    1,664,917.16x = 2,070,057,388,332.46
  5. Step 5: Solve for x
    x = 2,070,057,388,332.46/1,664,917.16
  6. Step 6: Final answer
    x = 1,243,339.57

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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.