Home / 1,438,725.68-1,985,457.96-794,146.40

Finding the Fourth Proportional to 1,438,725.68, 1,985,457.96 and 794,146.40

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Solution

The fourth proportional to 1,438,725.68, 1,985,457.96 and 794,146.40 is: 1,095,931.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,438,725.68 : 1,985,457.96 = 794,146.40 : x
  2. Step 2: Convert to fraction form
    1,438,725.68/1,985,457.96 = 794,146.40/x
  3. Step 3: Cross multiply
    1,438,725.68x = 1,985,457.96 × 794,146.40
  4. Step 4: Simplify right side
    1,438,725.68x = 1,576,744,291,285.34
  5. Step 5: Solve for x
    x = 1,576,744,291,285.34/1,438,725.68
  6. Step 6: Final answer
    x = 1,095,931.15

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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.