Home / 1,345,737.60-1,857,120.96-742,120.32

Finding the Fourth Proportional to 1,345,737.60, 1,857,120.96 and 742,120.32

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Solution

The fourth proportional to 1,345,737.60, 1,857,120.96 and 742,120.32 is: 1,024,127.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,345,737.60 : 1,857,120.96 = 742,120.32 : x
  2. Step 2: Convert to fraction form
    1,345,737.60/1,857,120.96 = 742,120.32/x
  3. Step 3: Cross multiply
    1,345,737.60x = 1,857,120.96 × 742,120.32
  4. Step 4: Simplify right side
    1,345,737.60x = 1,378,207,201,113.91
  5. Step 5: Solve for x
    x = 1,378,207,201,113.91/1,345,737.60
  6. Step 6: Final answer
    x = 1,024,127.74

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.