Home / 1,643,303.30-2,267,875.91-908,241.76

Finding the Fourth Proportional to 1,643,303.30, 2,267,875.91 and 908,241.76

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Solution

The fourth proportional to 1,643,303.30, 2,267,875.91 and 908,241.76 is: 1,253,438.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,643,303.30 : 2,267,875.91 = 908,241.76 : x
  2. Step 2: Convert to fraction form
    1,643,303.30/2,267,875.91 = 908,241.76/x
  3. Step 3: Cross multiply
    1,643,303.30x = 2,267,875.91 × 908,241.76
  4. Step 4: Simplify right side
    1,643,303.30x = 2,059,779,619,602.65
  5. Step 5: Solve for x
    x = 2,059,779,619,602.65/1,643,303.30
  6. Step 6: Final answer
    x = 1,253,438.49

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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.