Home / 1,043,315.60-1,564,584.60-726,832.40

Finding the Fourth Proportional to 1,043,315.60, 1,564,584.60 and 726,832.40

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Solution

The fourth proportional to 1,043,315.60, 1,564,584.60 and 726,832.40 is: 1,089,977.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,043,315.60 : 1,564,584.60 = 726,832.40 : x
  2. Step 2: Convert to fraction form
    1,043,315.60/1,564,584.60 = 726,832.40/x
  3. Step 3: Cross multiply
    1,043,315.60x = 1,564,584.60 × 726,832.40
  4. Step 4: Simplify right side
    1,043,315.60x = 1,137,190,779,821.04
  5. Step 5: Solve for x
    x = 1,137,190,779,821.04/1,043,315.60
  6. Step 6: Final answer
    x = 1,089,977.74

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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.