Home / 1,091,476.62-1,637,477.10-417,546.90

Finding the Fourth Proportional to 1,091,476.62, 1,637,477.10 and 417,546.90

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Solution

The fourth proportional to 1,091,476.62, 1,637,477.10 and 417,546.90 is: 626,420.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,091,476.62 : 1,637,477.10 = 417,546.90 : x
  2. Step 2: Convert to fraction form
    1,091,476.62/1,637,477.10 = 417,546.90/x
  3. Step 3: Cross multiply
    1,091,476.62x = 1,637,477.10 × 417,546.90
  4. Step 4: Simplify right side
    1,091,476.62x = 683,723,486,925.99
  5. Step 5: Solve for x
    x = 683,723,486,925.99/1,091,476.62
  6. Step 6: Final answer
    x = 626,420.64

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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.