Home / 1,787,792.64-2,681,689.20-525,631.20

Finding the Fourth Proportional to 1,787,792.64, 2,681,689.20 and 525,631.20

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Solution

The fourth proportional to 1,787,792.64, 2,681,689.20 and 525,631.20 is: 788,446.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,787,792.64 : 2,681,689.20 = 525,631.20 : x
  2. Step 2: Convert to fraction form
    1,787,792.64/2,681,689.20 = 525,631.20/x
  3. Step 3: Cross multiply
    1,787,792.64x = 2,681,689.20 × 525,631.20
  4. Step 4: Simplify right side
    1,787,792.64x = 1,409,579,512,223.04
  5. Step 5: Solve for x
    x = 1,409,579,512,223.04/1,787,792.64
  6. Step 6: Final answer
    x = 788,446.87

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.