Home / 1,779,808.23-2,669,690.07-431,982

Finding the Fourth Proportional to 1,779,808.23, 2,669,690.07 and 431,982

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Solution

The fourth proportional to 1,779,808.23, 2,669,690.07 and 431,982 is: 647,967.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,779,808.23 : 2,669,690.07 = 431,982 : x
  2. Step 2: Convert to fraction form
    1,779,808.23/2,669,690.07 = 431,982/x
  3. Step 3: Cross multiply
    1,779,808.23x = 2,669,690.07 × 431,982
  4. Step 4: Simplify right side
    1,779,808.23x = 1,153,258,055,818.74
  5. Step 5: Solve for x
    x = 1,153,258,055,818.74/1,779,808.23
  6. Step 6: Final answer
    x = 647,967.59

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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.