Home / 1,356,036.63-1,872,590.93-873,431.34

Finding the Fourth Proportional to 1,356,036.63, 1,872,590.93 and 873,431.34

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Solution

The fourth proportional to 1,356,036.63, 1,872,590.93 and 873,431.34 is: 1,206,147.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,356,036.63 : 1,872,590.93 = 873,431.34 : x
  2. Step 2: Convert to fraction form
    1,356,036.63/1,872,590.93 = 873,431.34/x
  3. Step 3: Cross multiply
    1,356,036.63x = 1,872,590.93 × 873,431.34
  4. Step 4: Simplify right side
    1,356,036.63x = 1,635,579,600,894.59
  5. Step 5: Solve for x
    x = 1,635,579,600,894.59/1,356,036.63
  6. Step 6: Final answer
    x = 1,206,147.06

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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.