Home / 1,384,257.60-2,076,386.40-752,846.40

Finding the Fourth Proportional to 1,384,257.60, 2,076,386.40 and 752,846.40

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Solution

The fourth proportional to 1,384,257.60, 2,076,386.40 and 752,846.40 is: 1,129,269.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,384,257.60 : 2,076,386.40 = 752,846.40 : x
  2. Step 2: Convert to fraction form
    1,384,257.60/2,076,386.40 = 752,846.40/x
  3. Step 3: Cross multiply
    1,384,257.60x = 2,076,386.40 × 752,846.40
  4. Step 4: Simplify right side
    1,384,257.60x = 1,563,200,026,248.96
  5. Step 5: Solve for x
    x = 1,563,200,026,248.96/1,384,257.60
  6. Step 6: Final answer
    x = 1,129,269.60

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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.