Home / 1,255,313.52-1,732,522.05-765,567.21

Finding the Fourth Proportional to 1,255,313.52, 1,732,522.05 and 765,567.21

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Solution

The fourth proportional to 1,255,313.52, 1,732,522.05 and 765,567.21 is: 1,056,598.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,255,313.52 : 1,732,522.05 = 765,567.21 : x
  2. Step 2: Convert to fraction form
    1,255,313.52/1,732,522.05 = 765,567.21/x
  3. Step 3: Cross multiply
    1,255,313.52x = 1,732,522.05 × 765,567.21
  4. Step 4: Simplify right side
    1,255,313.52x = 1,326,362,072,081.98
  5. Step 5: Solve for x
    x = 1,326,362,072,081.98/1,255,313.52
  6. Step 6: Final answer
    x = 1,056,598.25

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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.