Home / 1,079,009.10-1,489,068.63-589,007.70

Finding the Fourth Proportional to 1,079,009.10, 1,489,068.63 and 589,007.70

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Solution

The fourth proportional to 1,079,009.10, 1,489,068.63 and 589,007.70 is: 812,850.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,079,009.10 : 1,489,068.63 = 589,007.70 : x
  2. Step 2: Convert to fraction form
    1,079,009.10/1,489,068.63 = 589,007.70/x
  3. Step 3: Cross multiply
    1,079,009.10x = 1,489,068.63 × 589,007.70
  4. Step 4: Simplify right side
    1,079,009.10x = 877,072,888,898.45
  5. Step 5: Solve for x
    x = 877,072,888,898.45/1,079,009.10
  6. Step 6: Final answer
    x = 812,850.32

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.