Home / 1,385,495.40-2,076,688.92-906,644.52

Finding the Fourth Proportional to 1,385,495.40, 2,076,688.92 and 906,644.52

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Solution

The fourth proportional to 1,385,495.40, 2,076,688.92 and 906,644.52 is: 1,358,949.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,385,495.40 : 2,076,688.92 = 906,644.52 : x
  2. Step 2: Convert to fraction form
    1,385,495.40/2,076,688.92 = 906,644.52/x
  3. Step 3: Cross multiply
    1,385,495.40x = 2,076,688.92 × 906,644.52
  4. Step 4: Simplify right side
    1,385,495.40x = 1,882,818,629,062.72
  5. Step 5: Solve for x
    x = 1,882,818,629,062.72/1,385,495.40
  6. Step 6: Final answer
    x = 1,358,949.75

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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.