Home / 885,643.10-1,326,496.35-685,313.90

Finding the Fourth Proportional to 885,643.10, 1,326,496.35 and 685,313.90

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Solution

The fourth proportional to 885,643.10, 1,326,496.35 and 685,313.90 is: 1,026,447.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,643.10 : 1,326,496.35 = 685,313.90 : x
  2. Step 2: Convert to fraction form
    885,643.10/1,326,496.35 = 685,313.90/x
  3. Step 3: Cross multiply
    885,643.10x = 1,326,496.35 × 685,313.90
  4. Step 4: Simplify right side
    885,643.10x = 909,066,386,954.27
  5. Step 5: Solve for x
    x = 909,066,386,954.27/885,643.10
  6. Step 6: Final answer
    x = 1,026,447.77

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.