Home / 1,345,568.72-2,017,608.60-535,132.40

Finding the Fourth Proportional to 1,345,568.72, 2,017,608.60 and 535,132.40

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Solution

The fourth proportional to 1,345,568.72, 2,017,608.60 and 535,132.40 is: 802,402.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,345,568.72 : 2,017,608.60 = 535,132.40 : x
  2. Step 2: Convert to fraction form
    1,345,568.72/2,017,608.60 = 535,132.40/x
  3. Step 3: Cross multiply
    1,345,568.72x = 2,017,608.60 × 535,132.40
  4. Step 4: Simplify right side
    1,345,568.72x = 1,079,687,732,378.64
  5. Step 5: Solve for x
    x = 1,079,687,732,378.64/1,345,568.72
  6. Step 6: Final answer
    x = 802,402.52

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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.