Home / 1,495,158.78-2,243,081.60-430,209.66

Finding the Fourth Proportional to 1,495,158.78, 2,243,081.60 and 430,209.66

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Solution

The fourth proportional to 1,495,158.78, 2,243,081.60 and 430,209.66 is: 645,413.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,495,158.78 : 2,243,081.60 = 430,209.66 : x
  2. Step 2: Convert to fraction form
    1,495,158.78/2,243,081.60 = 430,209.66/x
  3. Step 3: Cross multiply
    1,495,158.78x = 2,243,081.60 × 430,209.66
  4. Step 4: Simplify right side
    1,495,158.78x = 964,995,362,348.37
  5. Step 5: Solve for x
    x = 964,995,362,348.37/1,495,158.78
  6. Step 6: Final answer
    x = 645,413.30

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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.