Home / 1,214,870-1,822,413.95-316,319.52

Finding the Fourth Proportional to 1,214,870, 1,822,413.95 and 316,319.52

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Solution

The fourth proportional to 1,214,870, 1,822,413.95 and 316,319.52 is: 474,507.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,214,870 : 1,822,413.95 = 316,319.52 : x
  2. Step 2: Convert to fraction form
    1,214,870/1,822,413.95 = 316,319.52/x
  3. Step 3: Cross multiply
    1,214,870x = 1,822,413.95 × 316,319.52
  4. Step 4: Simplify right side
    1,214,870x = 576,465,105,905.30
  5. Step 5: Solve for x
    x = 576,465,105,905.30/1,214,870
  6. Step 6: Final answer
    x = 474,507.65

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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.