Home / 1,210,802.12-1,670,845.19-666,926.19

Finding the Fourth Proportional to 1,210,802.12, 1,670,845.19 and 666,926.19

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Solution

The fourth proportional to 1,210,802.12, 1,670,845.19 and 666,926.19 is: 920,324.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,210,802.12 : 1,670,845.19 = 666,926.19 : x
  2. Step 2: Convert to fraction form
    1,210,802.12/1,670,845.19 = 666,926.19/x
  3. Step 3: Cross multiply
    1,210,802.12x = 1,670,845.19 × 666,926.19
  4. Step 4: Simplify right side
    1,210,802.12x = 1,114,330,413,311.90
  5. Step 5: Solve for x
    x = 1,114,330,413,311.90/1,210,802.12
  6. Step 6: Final answer
    x = 920,324.14

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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.