Home / 1,098,186.30-1,646,501.85-424,007.10

Finding the Fourth Proportional to 1,098,186.30, 1,646,501.85 and 424,007.10

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Solution

The fourth proportional to 1,098,186.30, 1,646,501.85 and 424,007.10 is: 635,710.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,098,186.30 : 1,646,501.85 = 424,007.10 : x
  2. Step 2: Convert to fraction form
    1,098,186.30/1,646,501.85 = 424,007.10/x
  3. Step 3: Cross multiply
    1,098,186.30x = 1,646,501.85 × 424,007.10
  4. Step 4: Simplify right side
    1,098,186.30x = 698,128,474,563.14
  5. Step 5: Solve for x
    x = 698,128,474,563.14/1,098,186.30
  6. Step 6: Final answer
    x = 635,710.42

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1.5x scale

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.