Home / 753,999.15-1,130,998.73-671,330.55

Finding the Fourth Proportional to 753,999.15, 1,130,998.73 and 671,330.55

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Solution

The fourth proportional to 753,999.15, 1,130,998.73 and 671,330.55 is: 1,006,995.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,999.15 : 1,130,998.73 = 671,330.55 : x
  2. Step 2: Convert to fraction form
    753,999.15/1,130,998.73 = 671,330.55/x
  3. Step 3: Cross multiply
    753,999.15x = 1,130,998.73 × 671,330.55
  4. Step 4: Simplify right side
    753,999.15x = 759,273,996,103.55
  5. Step 5: Solve for x
    x = 759,273,996,103.55/753,999.15
  6. Step 6: Final answer
    x = 1,006,995.83

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1.5x scale

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.