Home / 1,357,764.80-2,037,959.40-684,606.20

Finding the Fourth Proportional to 1,357,764.80, 2,037,959.40 and 684,606.20

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Solution

The fourth proportional to 1,357,764.80, 2,037,959.40 and 684,606.20 is: 1,027,570.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,357,764.80 : 2,037,959.40 = 684,606.20 : x
  2. Step 2: Convert to fraction form
    1,357,764.80/2,037,959.40 = 684,606.20/x
  3. Step 3: Cross multiply
    1,357,764.80x = 2,037,959.40 × 684,606.20
  4. Step 4: Simplify right side
    1,357,764.80x = 1,395,199,640,588.28
  5. Step 5: Solve for x
    x = 1,395,199,640,588.28/1,357,764.80
  6. Step 6: Final answer
    x = 1,027,570.93

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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.