Home / 845,705.14-1,165,944.10-671,852.18

Finding the Fourth Proportional to 845,705.14, 1,165,944.10 and 671,852.18

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Solution

The fourth proportional to 845,705.14, 1,165,944.10 and 671,852.18 is: 926,259.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    845,705.14 : 1,165,944.10 = 671,852.18 : x
  2. Step 2: Convert to fraction form
    845,705.14/1,165,944.10 = 671,852.18/x
  3. Step 3: Cross multiply
    845,705.14x = 1,165,944.10 × 671,852.18
  4. Step 4: Simplify right side
    845,705.14x = 783,342,081,279.66
  5. Step 5: Solve for x
    x = 783,342,081,279.66/845,705.14
  6. Step 6: Final answer
    x = 926,259.10

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1.5x scale

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.