Home / 845,636.70-1,271,565.45-708,779.10

Finding the Fourth Proportional to 845,636.70, 1,271,565.45 and 708,779.10

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Solution

The fourth proportional to 845,636.70, 1,271,565.45 and 708,779.10 is: 1,065,775.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    845,636.70 : 1,271,565.45 = 708,779.10 : x
  2. Step 2: Convert to fraction form
    845,636.70/1,271,565.45 = 708,779.10/x
  3. Step 3: Cross multiply
    845,636.70x = 1,271,565.45 × 708,779.10
  4. Step 4: Simplify right side
    845,636.70x = 901,259,015,242.10
  5. Step 5: Solve for x
    x = 901,259,015,242.10/845,636.70
  6. Step 6: Final answer
    x = 1,065,775.66

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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.