Home / 1,335,129.04-1,990,783.94-1,186,762.96

Finding the Fourth Proportional to 1,335,129.04, 1,990,783.94 and 1,186,762.96

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Solution

The fourth proportional to 1,335,129.04, 1,990,783.94 and 1,186,762.96 is: 1,769,558.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,335,129.04 : 1,990,783.94 = 1,186,762.96 : x
  2. Step 2: Convert to fraction form
    1,335,129.04/1,990,783.94 = 1,186,762.96/x
  3. Step 3: Cross multiply
    1,335,129.04x = 1,990,783.94 × 1,186,762.96
  4. Step 4: Simplify right side
    1,335,129.04x = 2,362,588,641,354.86
  5. Step 5: Solve for x
    x = 2,362,588,641,354.86/1,335,129.04
  6. Step 6: Final answer
    x = 1,769,558.28

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.