Home / 1,362,926.40-1,879,837.56-879,246.24

Finding the Fourth Proportional to 1,362,926.40, 1,879,837.56 and 879,246.24

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Solution

The fourth proportional to 1,362,926.40, 1,879,837.56 and 879,246.24 is: 1,212,714.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,362,926.40 : 1,879,837.56 = 879,246.24 : x
  2. Step 2: Convert to fraction form
    1,362,926.40/1,879,837.56 = 879,246.24/x
  3. Step 3: Cross multiply
    1,362,926.40x = 1,879,837.56 × 879,246.24
  4. Step 4: Simplify right side
    1,362,926.40x = 1,652,840,106,440.77
  5. Step 5: Solve for x
    x = 1,652,840,106,440.77/1,362,926.40
  6. Step 6: Final answer
    x = 1,212,714.13

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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.