Home / 1,372,602.86-2,059,176.51-425,933.18

Finding the Fourth Proportional to 1,372,602.86, 2,059,176.51 and 425,933.18

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Solution

The fourth proportional to 1,372,602.86, 2,059,176.51 and 425,933.18 is: 638,984.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,372,602.86 : 2,059,176.51 = 425,933.18 : x
  2. Step 2: Convert to fraction form
    1,372,602.86/2,059,176.51 = 425,933.18/x
  3. Step 3: Cross multiply
    1,372,602.86x = 2,059,176.51 × 425,933.18
  4. Step 4: Simplify right side
    1,372,602.86x = 877,071,599,085.60
  5. Step 5: Solve for x
    x = 877,071,599,085.60/1,372,602.86
  6. Step 6: Final answer
    x = 638,984.24

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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.