Home / 1,390,888.68-2,086,333.02-759,458.04

Finding the Fourth Proportional to 1,390,888.68, 2,086,333.02 and 759,458.04

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Solution

The fourth proportional to 1,390,888.68, 2,086,333.02 and 759,458.04 is: 1,139,187.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,390,888.68 : 2,086,333.02 = 759,458.04 : x
  2. Step 2: Convert to fraction form
    1,390,888.68/2,086,333.02 = 759,458.04/x
  3. Step 3: Cross multiply
    1,390,888.68x = 2,086,333.02 × 759,458.04
  4. Step 4: Simplify right side
    1,390,888.68x = 1,584,482,386,156.48
  5. Step 5: Solve for x
    x = 1,584,482,386,156.48/1,390,888.68
  6. Step 6: Final answer
    x = 1,139,187.06

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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.