Home / 1,261,579.37-1,740,719.63-724,931.69

Finding the Fourth Proportional to 1,261,579.37, 1,740,719.63 and 724,931.69

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Solution

The fourth proportional to 1,261,579.37, 1,740,719.63 and 724,931.69 is: 1,000,256.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,261,579.37 : 1,740,719.63 = 724,931.69 : x
  2. Step 2: Convert to fraction form
    1,261,579.37/1,740,719.63 = 724,931.69/x
  3. Step 3: Cross multiply
    1,261,579.37x = 1,740,719.63 × 724,931.69
  4. Step 4: Simplify right side
    1,261,579.37x = 1,261,902,816,300.81
  5. Step 5: Solve for x
    x = 1,261,902,816,300.81/1,261,579.37
  6. Step 6: Final answer
    x = 1,000,256.39

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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.