Home / 1,079,005.60-1,489,063.80-589,004.20

Finding the Fourth Proportional to 1,079,005.60, 1,489,063.80 and 589,004.20

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Solution

The fourth proportional to 1,079,005.60, 1,489,063.80 and 589,004.20 is: 812,845.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,079,005.60 : 1,489,063.80 = 589,004.20 : x
  2. Step 2: Convert to fraction form
    1,079,005.60/1,489,063.80 = 589,004.20/x
  3. Step 3: Cross multiply
    1,079,005.60x = 1,489,063.80 × 589,004.20
  4. Step 4: Simplify right side
    1,079,005.60x = 877,064,832,267.96
  5. Step 5: Solve for x
    x = 877,064,832,267.96/1,079,005.60
  6. Step 6: Final answer
    x = 812,845.49

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1.5x scale

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.