Home / 1,130,178.47-1,695,281.72-331,476.50

Finding the Fourth Proportional to 1,130,178.47, 1,695,281.72 and 331,476.50

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Solution

The fourth proportional to 1,130,178.47, 1,695,281.72 and 331,476.50 is: 497,218.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,130,178.47 : 1,695,281.72 = 331,476.50 : x
  2. Step 2: Convert to fraction form
    1,130,178.47/1,695,281.72 = 331,476.50/x
  3. Step 3: Cross multiply
    1,130,178.47x = 1,695,281.72 × 331,476.50
  4. Step 4: Simplify right side
    1,130,178.47x = 561,946,056,162.01
  5. Step 5: Solve for x
    x = 561,946,056,162.01/1,130,178.47
  6. Step 6: Final answer
    x = 497,218.86

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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.