Home / 1,580,647.80-2,363,973.30-1,328,705.40

Finding the Fourth Proportional to 1,580,647.80, 2,363,973.30 and 1,328,705.40

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Solution

The fourth proportional to 1,580,647.80, 2,363,973.30 and 1,328,705.40 is: 1,987,175.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,580,647.80 : 2,363,973.30 = 1,328,705.40 : x
  2. Step 2: Convert to fraction form
    1,580,647.80/2,363,973.30 = 1,328,705.40/x
  3. Step 3: Cross multiply
    1,580,647.80x = 2,363,973.30 × 1,328,705.40
  4. Step 4: Simplify right side
    1,580,647.80x = 3,141,024,089,165.82
  5. Step 5: Solve for x
    x = 3,141,024,089,165.82/1,580,647.80
  6. Step 6: Final answer
    x = 1,987,175.19

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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.