Home / 1,227,051.02-1,841,417.33-428,332.70

Finding the Fourth Proportional to 1,227,051.02, 1,841,417.33 and 428,332.70

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Solution

The fourth proportional to 1,227,051.02, 1,841,417.33 and 428,332.70 is: 642,792.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,227,051.02 : 1,841,417.33 = 428,332.70 : x
  2. Step 2: Convert to fraction form
    1,227,051.02/1,841,417.33 = 428,332.70/x
  3. Step 3: Cross multiply
    1,227,051.02x = 1,841,417.33 × 428,332.70
  4. Step 4: Simplify right side
    1,227,051.02x = 788,739,245,436.94
  5. Step 5: Solve for x
    x = 788,739,245,436.94/1,227,051.02
  6. Step 6: Final answer
    x = 642,792.55

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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.