Home / 1,565,342.70-2,345,292.45-722,165.10

Finding the Fourth Proportional to 1,565,342.70, 2,345,292.45 and 722,165.10

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Solution

The fourth proportional to 1,565,342.70, 2,345,292.45 and 722,165.10 is: 1,081,992.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,565,342.70 : 2,345,292.45 = 722,165.10 : x
  2. Step 2: Convert to fraction form
    1,565,342.70/2,345,292.45 = 722,165.10/x
  3. Step 3: Cross multiply
    1,565,342.70x = 2,345,292.45 × 722,165.10
  4. Step 4: Simplify right side
    1,565,342.70x = 1,693,688,356,683.50
  5. Step 5: Solve for x
    x = 1,693,688,356,683.50/1,565,342.70
  6. Step 6: Final answer
    x = 1,081,992.05

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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.