Home / 1,072,177.58-1,607,909.55-432,316.05

Finding the Fourth Proportional to 1,072,177.58, 1,607,909.55 and 432,316.05

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Solution

The fourth proportional to 1,072,177.58, 1,607,909.55 and 432,316.05 is: 648,330.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,072,177.58 : 1,607,909.55 = 432,316.05 : x
  2. Step 2: Convert to fraction form
    1,072,177.58/1,607,909.55 = 432,316.05/x
  3. Step 3: Cross multiply
    1,072,177.58x = 1,607,909.55 × 432,316.05
  4. Step 4: Simplify right side
    1,072,177.58x = 695,125,105,413.28
  5. Step 5: Solve for x
    x = 695,125,105,413.28/1,072,177.58
  6. Step 6: Final answer
    x = 648,330.20

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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.