Home / 1,297,630.68-1,790,470.60-724,582.68

Finding the Fourth Proportional to 1,297,630.68, 1,790,470.60 and 724,582.68

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Solution

The fourth proportional to 1,297,630.68, 1,790,470.60 and 724,582.68 is: 999,779.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,297,630.68 : 1,790,470.60 = 724,582.68 : x
  2. Step 2: Convert to fraction form
    1,297,630.68/1,790,470.60 = 724,582.68/x
  3. Step 3: Cross multiply
    1,297,630.68x = 1,790,470.60 × 724,582.68
  4. Step 4: Simplify right side
    1,297,630.68x = 1,297,343,985,809.21
  5. Step 5: Solve for x
    x = 1,297,343,985,809.21/1,297,630.68
  6. Step 6: Final answer
    x = 999,779.06

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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.