Home / 1,297,487.50-1,790,525.64-716,750.62

Finding the Fourth Proportional to 1,297,487.50, 1,790,525.64 and 716,750.62

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Solution

The fourth proportional to 1,297,487.50, 1,790,525.64 and 716,750.62 is: 989,111.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,297,487.50 : 1,790,525.64 = 716,750.62 : x
  2. Step 2: Convert to fraction form
    1,297,487.50/1,790,525.64 = 716,750.62/x
  3. Step 3: Cross multiply
    1,297,487.50x = 1,790,525.64 × 716,750.62
  4. Step 4: Simplify right side
    1,297,487.50x = 1,283,360,362,595.90
  5. Step 5: Solve for x
    x = 1,283,360,362,595.90/1,297,487.50
  6. Step 6: Final answer
    x = 989,111.93

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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.