Home / 1,385,980-1,912,652.40-750,076

Finding the Fourth Proportional to 1,385,980, 1,912,652.40 and 750,076

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Solution

The fourth proportional to 1,385,980, 1,912,652.40 and 750,076 is: 1,035,104.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,385,980 : 1,912,652.40 = 750,076 : x
  2. Step 2: Convert to fraction form
    1,385,980/1,912,652.40 = 750,076/x
  3. Step 3: Cross multiply
    1,385,980x = 1,912,652.40 × 750,076
  4. Step 4: Simplify right side
    1,385,980x = 1,434,634,661,582.40
  5. Step 5: Solve for x
    x = 1,434,634,661,582.40/1,385,980
  6. Step 6: Final answer
    x = 1,035,104.88

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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.