Home / 985,628.40-1,478,442.60-886,095.60

Finding the Fourth Proportional to 985,628.40, 1,478,442.60 and 886,095.60

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Solution

The fourth proportional to 985,628.40, 1,478,442.60 and 886,095.60 is: 1,329,143.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    985,628.40 : 1,478,442.60 = 886,095.60 : x
  2. Step 2: Convert to fraction form
    985,628.40/1,478,442.60 = 886,095.60/x
  3. Step 3: Cross multiply
    985,628.40x = 1,478,442.60 × 886,095.60
  4. Step 4: Simplify right side
    985,628.40x = 1,310,041,482,712.56
  5. Step 5: Solve for x
    x = 1,310,041,482,712.56/985,628.40
  6. Step 6: Final answer
    x = 1,329,143.40

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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.