Home / 1,220,832.04-1,828,886.46-686,730.28

Finding the Fourth Proportional to 1,220,832.04, 1,828,886.46 and 686,730.28

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Solution

The fourth proportional to 1,220,832.04, 1,828,886.46 and 686,730.28 is: 1,028,767.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,220,832.04 : 1,828,886.46 = 686,730.28 : x
  2. Step 2: Convert to fraction form
    1,220,832.04/1,828,886.46 = 686,730.28/x
  3. Step 3: Cross multiply
    1,220,832.04x = 1,828,886.46 × 686,730.28
  4. Step 4: Simplify right side
    1,220,832.04x = 1,255,951,710,764.01
  5. Step 5: Solve for x
    x = 1,255,951,710,764.01/1,220,832.04
  6. Step 6: Final answer
    x = 1,028,767.00

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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.