Home / 1,684,810.19-2,325,003.76-920,869.22

Finding the Fourth Proportional to 1,684,810.19, 2,325,003.76 and 920,869.22

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Solution

The fourth proportional to 1,684,810.19, 2,325,003.76 and 920,869.22 is: 1,270,780.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,684,810.19 : 2,325,003.76 = 920,869.22 : x
  2. Step 2: Convert to fraction form
    1,684,810.19/2,325,003.76 = 920,869.22/x
  3. Step 3: Cross multiply
    1,684,810.19x = 2,325,003.76 × 920,869.22
  4. Step 4: Simplify right side
    1,684,810.19x = 2,141,024,398,968.27
  5. Step 5: Solve for x
    x = 2,141,024,398,968.27/1,684,810.19
  6. Step 6: Final answer
    x = 1,270,780.77

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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.