Home / 1,128,330.96-1,692,776.64-559,978.80

Finding the Fourth Proportional to 1,128,330.96, 1,692,776.64 and 559,978.80

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Solution

The fourth proportional to 1,128,330.96, 1,692,776.64 and 559,978.80 is: 840,107.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,128,330.96 : 1,692,776.64 = 559,978.80 : x
  2. Step 2: Convert to fraction form
    1,128,330.96/1,692,776.64 = 559,978.80/x
  3. Step 3: Cross multiply
    1,128,330.96x = 1,692,776.64 × 559,978.80
  4. Step 4: Simplify right side
    1,128,330.96x = 947,919,031,535.23
  5. Step 5: Solve for x
    x = 947,919,031,535.23/1,128,330.96
  6. Step 6: Final answer
    x = 840,107.26

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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.