Home / 1,039,730.60-1,559,480.70-852,415.40

Finding the Fourth Proportional to 1,039,730.60, 1,559,480.70 and 852,415.40

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Solution

The fourth proportional to 1,039,730.60, 1,559,480.70 and 852,415.40 is: 1,278,528.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,039,730.60 : 1,559,480.70 = 852,415.40 : x
  2. Step 2: Convert to fraction form
    1,039,730.60/1,559,480.70 = 852,415.40/x
  3. Step 3: Cross multiply
    1,039,730.60x = 1,559,480.70 × 852,415.40
  4. Step 4: Simplify right side
    1,039,730.60x = 1,329,325,364,682.78
  5. Step 5: Solve for x
    x = 1,329,325,364,682.78/1,039,730.60
  6. Step 6: Final answer
    x = 1,278,528.65

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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.