Home / 1,128,367.08-1,692,561.60-286,918.92

Finding the Fourth Proportional to 1,128,367.08, 1,692,561.60 and 286,918.92

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Solution

The fourth proportional to 1,128,367.08, 1,692,561.60 and 286,918.92 is: 430,381.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,128,367.08 : 1,692,561.60 = 286,918.92 : x
  2. Step 2: Convert to fraction form
    1,128,367.08/1,692,561.60 = 286,918.92/x
  3. Step 3: Cross multiply
    1,128,367.08x = 1,692,561.60 × 286,918.92
  4. Step 4: Simplify right side
    1,128,367.08x = 485,627,946,305.47
  5. Step 5: Solve for x
    x = 485,627,946,305.47/1,128,367.08
  6. Step 6: Final answer
    x = 430,381.17

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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.