Home / 1,175,509.96-1,622,381.08-716,890.60

Finding the Fourth Proportional to 1,175,509.96, 1,622,381.08 and 716,890.60

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Solution

The fourth proportional to 1,175,509.96, 1,622,381.08 and 716,890.60 is: 989,417.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,175,509.96 : 1,622,381.08 = 716,890.60 : x
  2. Step 2: Convert to fraction form
    1,175,509.96/1,622,381.08 = 716,890.60/x
  3. Step 3: Cross multiply
    1,175,509.96x = 1,622,381.08 × 716,890.60
  4. Step 4: Simplify right side
    1,175,509.96x = 1,163,069,745,869.85
  5. Step 5: Solve for x
    x = 1,163,069,745,869.85/1,175,509.96
  6. Step 6: Final answer
    x = 989,417.18

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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.