Home / 1,513,939-2,270,908.86-615,869.32

Finding the Fourth Proportional to 1,513,939, 2,270,908.86 and 615,869.32

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Solution

The fourth proportional to 1,513,939, 2,270,908.86 and 615,869.32 is: 923,804.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,513,939 : 2,270,908.86 = 615,869.32 : x
  2. Step 2: Convert to fraction form
    1,513,939/2,270,908.86 = 615,869.32/x
  3. Step 3: Cross multiply
    1,513,939x = 2,270,908.86 × 615,869.32
  4. Step 4: Simplify right side
    1,513,939x = 1,398,583,095,390.18
  5. Step 5: Solve for x
    x = 1,398,583,095,390.18/1,513,939
  6. Step 6: Final answer
    x = 923,804.13

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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.