Home / 1,502,090.24-2,072,967.54-857,717.42

Finding the Fourth Proportional to 1,502,090.24, 2,072,967.54 and 857,717.42

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Solution

The fourth proportional to 1,502,090.24, 2,072,967.54 and 857,717.42 is: 1,183,697.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,502,090.24 : 2,072,967.54 = 857,717.42 : x
  2. Step 2: Convert to fraction form
    1,502,090.24/2,072,967.54 = 857,717.42/x
  3. Step 3: Cross multiply
    1,502,090.24x = 2,072,967.54 × 857,717.42
  4. Step 4: Simplify right side
    1,502,090.24x = 1,778,020,370,152.55
  5. Step 5: Solve for x
    x = 1,778,020,370,152.55/1,502,090.24
  6. Step 6: Final answer
    x = 1,183,697.44

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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.