Home / 1,779,726.93-2,669,570.34-431,904.35

Finding the Fourth Proportional to 1,779,726.93, 2,669,570.34 and 431,904.35

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Solution

The fourth proportional to 1,779,726.93, 2,669,570.34 and 431,904.35 is: 647,851.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,779,726.93 : 2,669,570.34 = 431,904.35 : x
  2. Step 2: Convert to fraction form
    1,779,726.93/2,669,570.34 = 431,904.35/x
  3. Step 3: Cross multiply
    1,779,726.93x = 2,669,570.34 × 431,904.35
  4. Step 4: Simplify right side
    1,779,726.93x = 1,152,999,029,129.13
  5. Step 5: Solve for x
    x = 1,152,999,029,129.13/1,779,726.93
  6. Step 6: Final answer
    x = 647,851.65

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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.