Home / 786,085.40-1,179,128.10-700,464.35

Finding the Fourth Proportional to 786,085.40, 1,179,128.10 and 700,464.35

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Solution

The fourth proportional to 786,085.40, 1,179,128.10 and 700,464.35 is: 1,050,696.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    786,085.40 : 1,179,128.10 = 700,464.35 : x
  2. Step 2: Convert to fraction form
    786,085.40/1,179,128.10 = 700,464.35/x
  3. Step 3: Cross multiply
    786,085.40x = 1,179,128.10 × 700,464.35
  4. Step 4: Simplify right side
    786,085.40x = 825,937,198,133.24
  5. Step 5: Solve for x
    x = 825,937,198,133.24/786,085.40
  6. Step 6: Final answer
    x = 1,050,696.53

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1.5x scale

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.