Home / 1,427,085.92-2,140,356.60-716,916.80

Finding the Fourth Proportional to 1,427,085.92, 2,140,356.60 and 716,916.80

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Solution

The fourth proportional to 1,427,085.92, 2,140,356.60 and 716,916.80 is: 1,075,238.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,427,085.92 : 2,140,356.60 = 716,916.80 : x
  2. Step 2: Convert to fraction form
    1,427,085.92/2,140,356.60 = 716,916.80/x
  3. Step 3: Cross multiply
    1,427,085.92x = 2,140,356.60 × 716,916.80
  4. Step 4: Simplify right side
    1,427,085.92x = 1,534,457,604,530.88
  5. Step 5: Solve for x
    x = 1,534,457,604,530.88/1,427,085.92
  6. Step 6: Final answer
    x = 1,075,238.42

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.