Home / 1,140,147.23-1,710,721.49-430,009.29

Finding the Fourth Proportional to 1,140,147.23, 1,710,721.49 and 430,009.29

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Solution

The fourth proportional to 1,140,147.23, 1,710,721.49 and 430,009.29 is: 645,202.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,140,147.23 : 1,710,721.49 = 430,009.29 : x
  2. Step 2: Convert to fraction form
    1,140,147.23/1,710,721.49 = 430,009.29/x
  3. Step 3: Cross multiply
    1,140,147.23x = 1,710,721.49 × 430,009.29
  4. Step 4: Simplify right side
    1,140,147.23x = 735,626,131,152.60
  5. Step 5: Solve for x
    x = 735,626,131,152.60/1,140,147.23
  6. Step 6: Final answer
    x = 645,202.76

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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.