Home / 1,626,360.93-2,439,661.23-428,274.96

Finding the Fourth Proportional to 1,626,360.93, 2,439,661.23 and 428,274.96

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Solution

The fourth proportional to 1,626,360.93, 2,439,661.23 and 428,274.96 is: 642,444.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,626,360.93 : 2,439,661.23 = 428,274.96 : x
  2. Step 2: Convert to fraction form
    1,626,360.93/2,439,661.23 = 428,274.96/x
  3. Step 3: Cross multiply
    1,626,360.93x = 2,439,661.23 × 428,274.96
  4. Step 4: Simplify right side
    1,626,360.93x = 1,044,845,815,691.80
  5. Step 5: Solve for x
    x = 1,044,845,815,691.80/1,626,360.93
  6. Step 6: Final answer
    x = 642,444.00

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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.