Home / 1,502,054.64-2,072,826.86-813,739.96

Finding the Fourth Proportional to 1,502,054.64, 2,072,826.86 and 813,739.96

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Solution

The fourth proportional to 1,502,054.64, 2,072,826.86 and 813,739.96 is: 1,122,956.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,502,054.64 : 2,072,826.86 = 813,739.96 : x
  2. Step 2: Convert to fraction form
    1,502,054.64/2,072,826.86 = 813,739.96/x
  3. Step 3: Cross multiply
    1,502,054.64x = 2,072,826.86 × 813,739.96
  4. Step 4: Simplify right side
    1,502,054.64x = 1,686,742,046,143.33
  5. Step 5: Solve for x
    x = 1,686,742,046,143.33/1,502,054.64
  6. Step 6: Final answer
    x = 1,122,956.52

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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.