Home / 1,276,802.40-1,915,203.60-1,048,479.60

Finding the Fourth Proportional to 1,276,802.40, 1,915,203.60 and 1,048,479.60

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Solution

The fourth proportional to 1,276,802.40, 1,915,203.60 and 1,048,479.60 is: 1,572,719.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,276,802.40 : 1,915,203.60 = 1,048,479.60 : x
  2. Step 2: Convert to fraction form
    1,276,802.40/1,915,203.60 = 1,048,479.60/x
  3. Step 3: Cross multiply
    1,276,802.40x = 1,915,203.60 × 1,048,479.60
  4. Step 4: Simplify right side
    1,276,802.40x = 2,008,051,904,446.56
  5. Step 5: Solve for x
    x = 2,008,051,904,446.56/1,276,802.40
  6. Step 6: Final answer
    x = 1,572,719.40

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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.