Home / 1,326,573.74-1,989,516.15-379,723.02

Finding the Fourth Proportional to 1,326,573.74, 1,989,516.15 and 379,723.02

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Solution

The fourth proportional to 1,326,573.74, 1,989,516.15 and 379,723.02 is: 569,485.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,326,573.74 : 1,989,516.15 = 379,723.02 : x
  2. Step 2: Convert to fraction form
    1,326,573.74/1,989,516.15 = 379,723.02/x
  3. Step 3: Cross multiply
    1,326,573.74x = 1,989,516.15 × 379,723.02
  4. Step 4: Simplify right side
    1,326,573.74x = 755,465,080,816.77
  5. Step 5: Solve for x
    x = 755,465,080,816.77/1,326,573.74
  6. Step 6: Final answer
    x = 569,485.93

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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.