Home / 1,664,859.32-2,297,522.26-900,929.28

Finding the Fourth Proportional to 1,664,859.32, 2,297,522.26 and 900,929.28

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Solution

The fourth proportional to 1,664,859.32, 2,297,522.26 and 900,929.28 is: 1,243,291.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,664,859.32 : 2,297,522.26 = 900,929.28 : x
  2. Step 2: Convert to fraction form
    1,664,859.32/2,297,522.26 = 900,929.28/x
  3. Step 3: Cross multiply
    1,664,859.32x = 2,297,522.26 × 900,929.28
  4. Step 4: Simplify right side
    1,664,859.32x = 2,069,905,070,981.13
  5. Step 5: Solve for x
    x = 2,069,905,070,981.13/1,664,859.32
  6. Step 6: Final answer
    x = 1,243,291.28

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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.