Home / 1,210,834.10-1,670,951.10-666,968.24

Finding the Fourth Proportional to 1,210,834.10, 1,670,951.10 and 666,968.24

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Solution

The fourth proportional to 1,210,834.10, 1,670,951.10 and 666,968.24 is: 920,416.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,210,834.10 : 1,670,951.10 = 666,968.24 : x
  2. Step 2: Convert to fraction form
    1,210,834.10/1,670,951.10 = 666,968.24/x
  3. Step 3: Cross multiply
    1,210,834.10x = 1,670,951.10 × 666,968.24
  4. Step 4: Simplify right side
    1,210,834.10x = 1,114,471,314,293.06
  5. Step 5: Solve for x
    x = 1,114,471,314,293.06/1,210,834.10
  6. Step 6: Final answer
    x = 920,416.19

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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.