Home / 1,642,994.90-2,460,345.15-1,078,975.70

Finding the Fourth Proportional to 1,642,994.90, 2,460,345.15 and 1,078,975.70

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Solution

The fourth proportional to 1,642,994.90, 2,460,345.15 and 1,078,975.70 is: 1,615,740.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,642,994.90 : 2,460,345.15 = 1,078,975.70 : x
  2. Step 2: Convert to fraction form
    1,642,994.90/2,460,345.15 = 1,078,975.70/x
  3. Step 3: Cross multiply
    1,642,994.90x = 2,460,345.15 × 1,078,975.70
  4. Step 4: Simplify right side
    1,642,994.90x = 2,654,652,630,462.86
  5. Step 5: Solve for x
    x = 2,654,652,630,462.86/1,642,994.90
  6. Step 6: Final answer
    x = 1,615,740.03

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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.