Home / 1,390,334.37-2,085,834.48-580,268.34

Finding the Fourth Proportional to 1,390,334.37, 2,085,834.48 and 580,268.34

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Solution

The fourth proportional to 1,390,334.37, 2,085,834.48 and 580,268.34 is: 870,541.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,390,334.37 : 2,085,834.48 = 580,268.34 : x
  2. Step 2: Convert to fraction form
    1,390,334.37/2,085,834.48 = 580,268.34/x
  3. Step 3: Cross multiply
    1,390,334.37x = 2,085,834.48 × 580,268.34
  4. Step 4: Simplify right side
    1,390,334.37x = 1,210,343,711,224.36
  5. Step 5: Solve for x
    x = 1,210,343,711,224.36/1,390,334.37
  6. Step 6: Final answer
    x = 870,541.46

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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.