Home / 1,616,796-2,425,184.28-418,715.28

Finding the Fourth Proportional to 1,616,796, 2,425,184.28 and 418,715.28

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Solution

The fourth proportional to 1,616,796, 2,425,184.28 and 418,715.28 is: 628,070.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,616,796 : 2,425,184.28 = 418,715.28 : x
  2. Step 2: Convert to fraction form
    1,616,796/2,425,184.28 = 418,715.28/x
  3. Step 3: Cross multiply
    1,616,796x = 2,425,184.28 × 418,715.28
  4. Step 4: Simplify right side
    1,616,796x = 1,015,461,714,851.80
  5. Step 5: Solve for x
    x = 1,015,461,714,851.80/1,616,796
  6. Step 6: Final answer
    x = 628,070.40

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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.