Home / 1,386,055.92-2,075,345.76-905,092.32

Finding the Fourth Proportional to 1,386,055.92, 2,075,345.76 and 905,092.32

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Solution

The fourth proportional to 1,386,055.92, 2,075,345.76 and 905,092.32 is: 1,355,197.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,386,055.92 : 2,075,345.76 = 905,092.32 : x
  2. Step 2: Convert to fraction form
    1,386,055.92/2,075,345.76 = 905,092.32/x
  3. Step 3: Cross multiply
    1,386,055.92x = 2,075,345.76 × 905,092.32
  4. Step 4: Simplify right side
    1,386,055.92x = 1,878,379,508,720.56
  5. Step 5: Solve for x
    x = 1,878,379,508,720.56/1,386,055.92
  6. Step 6: Final answer
    x = 1,355,197.49

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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.