Home / 1,160,148.16-1,600,922.64-643,928.32

Finding the Fourth Proportional to 1,160,148.16, 1,600,922.64 and 643,928.32

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Solution

The fourth proportional to 1,160,148.16, 1,600,922.64 and 643,928.32 is: 888,575.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,160,148.16 : 1,600,922.64 = 643,928.32 : x
  2. Step 2: Convert to fraction form
    1,160,148.16/1,600,922.64 = 643,928.32/x
  3. Step 3: Cross multiply
    1,160,148.16x = 1,600,922.64 × 643,928.32
  4. Step 4: Simplify right side
    1,160,148.16x = 1,030,879,426,025.16
  5. Step 5: Solve for x
    x = 1,030,879,426,025.16/1,160,148.16
  6. Step 6: Final answer
    x = 888,575.67

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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.