Home / 1,213,118.20-1,816,083.06-898,985.08

Finding the Fourth Proportional to 1,213,118.20, 1,816,083.06 and 898,985.08

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Solution

The fourth proportional to 1,213,118.20, 1,816,083.06 and 898,985.08 is: 1,345,814.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,213,118.20 : 1,816,083.06 = 898,985.08 : x
  2. Step 2: Convert to fraction form
    1,213,118.20/1,816,083.06 = 898,985.08/x
  3. Step 3: Cross multiply
    1,213,118.20x = 1,816,083.06 × 898,985.08
  4. Step 4: Simplify right side
    1,213,118.20x = 1,632,631,574,980.75
  5. Step 5: Solve for x
    x = 1,632,631,574,980.75/1,213,118.20
  6. Step 6: Final answer
    x = 1,345,814.10

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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.