Home / 1,390,118.04-2,085,482.70-791,359.56

Finding the Fourth Proportional to 1,390,118.04, 2,085,482.70 and 791,359.56

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Solution

The fourth proportional to 1,390,118.04, 2,085,482.70 and 791,359.56 is: 1,187,213.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,390,118.04 : 2,085,482.70 = 791,359.56 : x
  2. Step 2: Convert to fraction form
    1,390,118.04/2,085,482.70 = 791,359.56/x
  3. Step 3: Cross multiply
    1,390,118.04x = 2,085,482.70 × 791,359.56
  4. Step 4: Simplify right side
    1,390,118.04x = 1,650,366,671,859.61
  5. Step 5: Solve for x
    x = 1,650,366,671,859.61/1,390,118.04
  6. Step 6: Final answer
    x = 1,187,213.33

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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.