Home / 1,297,746.18-1,790,629.65-724,698.18

Finding the Fourth Proportional to 1,297,746.18, 1,790,629.65 and 724,698.18

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Solution

The fourth proportional to 1,297,746.18, 1,790,629.65 and 724,698.18 is: 999,938.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,297,746.18 : 1,790,629.65 = 724,698.18 : x
  2. Step 2: Convert to fraction form
    1,297,746.18/1,790,629.65 = 724,698.18/x
  3. Step 3: Cross multiply
    1,297,746.18x = 1,790,629.65 × 724,698.18
  4. Step 4: Simplify right side
    1,297,746.18x = 1,297,666,048,409.04
  5. Step 5: Solve for x
    x = 1,297,666,048,409.04/1,297,746.18
  6. Step 6: Final answer
    x = 999,938.25

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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.