Home / 857,111.18-1,285,707.78-707,073.26

Finding the Fourth Proportional to 857,111.18, 1,285,707.78 and 707,073.26

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Solution

The fourth proportional to 857,111.18, 1,285,707.78 and 707,073.26 is: 1,060,643.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    857,111.18 : 1,285,707.78 = 707,073.26 : x
  2. Step 2: Convert to fraction form
    857,111.18/1,285,707.78 = 707,073.26/x
  3. Step 3: Cross multiply
    857,111.18x = 1,285,707.78 × 707,073.26
  4. Step 4: Simplify right side
    857,111.18x = 909,089,587,876.60
  5. Step 5: Solve for x
    x = 909,089,587,876.60/857,111.18
  6. Step 6: Final answer
    x = 1,060,643.72

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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.