Home / 1,202,271.04-1,659,113.76-665,715.52

Finding the Fourth Proportional to 1,202,271.04, 1,659,113.76 and 665,715.52

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Solution

The fourth proportional to 1,202,271.04, 1,659,113.76 and 665,715.52 is: 918,676.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,202,271.04 : 1,659,113.76 = 665,715.52 : x
  2. Step 2: Convert to fraction form
    1,202,271.04/1,659,113.76 = 665,715.52/x
  3. Step 3: Cross multiply
    1,202,271.04x = 1,659,113.76 × 665,715.52
  4. Step 4: Simplify right side
    1,202,271.04x = 1,104,497,779,477.56
  5. Step 5: Solve for x
    x = 1,104,497,779,477.56/1,202,271.04
  6. Step 6: Final answer
    x = 918,676.19

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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.