Home / 1,948,303.19-2,688,662.31-1,088,863.43

Finding the Fourth Proportional to 1,948,303.19, 2,688,662.31 and 1,088,863.43

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Solution

The fourth proportional to 1,948,303.19, 2,688,662.31 and 1,088,863.43 is: 1,502,633.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,948,303.19 : 2,688,662.31 = 1,088,863.43 : x
  2. Step 2: Convert to fraction form
    1,948,303.19/2,688,662.31 = 1,088,863.43/x
  3. Step 3: Cross multiply
    1,948,303.19x = 2,688,662.31 × 1,088,863.43
  4. Step 4: Simplify right side
    1,948,303.19x = 2,927,586,064,978.32
  5. Step 5: Solve for x
    x = 2,927,586,064,978.32/1,948,303.19
  6. Step 6: Final answer
    x = 1,502,633.72

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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.