Home / 1,147,809.60-1,720,936.80-586,382.40

Finding the Fourth Proportional to 1,147,809.60, 1,720,936.80 and 586,382.40

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Solution

The fourth proportional to 1,147,809.60, 1,720,936.80 and 586,382.40 is: 879,176.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,147,809.60 : 1,720,936.80 = 586,382.40 : x
  2. Step 2: Convert to fraction form
    1,147,809.60/1,720,936.80 = 586,382.40/x
  3. Step 3: Cross multiply
    1,147,809.60x = 1,720,936.80 × 586,382.40
  4. Step 4: Simplify right side
    1,147,809.60x = 1,009,127,051,032.32
  5. Step 5: Solve for x
    x = 1,009,127,051,032.32/1,147,809.60
  6. Step 6: Final answer
    x = 879,176.35

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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.