Home / 1,008,307.72-1,391,402.10-578,623.24

Finding the Fourth Proportional to 1,008,307.72, 1,391,402.10 and 578,623.24

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Solution

The fourth proportional to 1,008,307.72, 1,391,402.10 and 578,623.24 is: 798,464.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,307.72 : 1,391,402.10 = 578,623.24 : x
  2. Step 2: Convert to fraction form
    1,008,307.72/1,391,402.10 = 578,623.24/x
  3. Step 3: Cross multiply
    1,008,307.72x = 1,391,402.10 × 578,623.24
  4. Step 4: Simplify right side
    1,008,307.72x = 805,097,591,244.80
  5. Step 5: Solve for x
    x = 805,097,591,244.80/1,008,307.72
  6. Step 6: Final answer
    x = 798,464.17

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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.