Home / 1,562,400-2,156,342.08-989,493.44

Finding the Fourth Proportional to 1,562,400, 2,156,342.08 and 989,493.44

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Solution

The fourth proportional to 1,562,400, 2,156,342.08 and 989,493.44 is: 1,365,646.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,562,400 : 2,156,342.08 = 989,493.44 : x
  2. Step 2: Convert to fraction form
    1,562,400/2,156,342.08 = 989,493.44/x
  3. Step 3: Cross multiply
    1,562,400x = 2,156,342.08 × 989,493.44
  4. Step 4: Simplify right side
    1,562,400x = 2,133,686,342,555.96
  5. Step 5: Solve for x
    x = 2,133,686,342,555.96/1,562,400
  6. Step 6: Final answer
    x = 1,365,646.66

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1.5x scale

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.