Home / 1,181,142.04-1,630,029.01-665,073.40

Finding the Fourth Proportional to 1,181,142.04, 1,630,029.01 and 665,073.40

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Solution

The fourth proportional to 1,181,142.04, 1,630,029.01 and 665,073.40 is: 917,831.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,181,142.04 : 1,630,029.01 = 665,073.40 : x
  2. Step 2: Convert to fraction form
    1,181,142.04/1,630,029.01 = 665,073.40/x
  3. Step 3: Cross multiply
    1,181,142.04x = 1,630,029.01 × 665,073.40
  4. Step 4: Simplify right side
    1,181,142.04x = 1,084,088,927,629.19
  5. Step 5: Solve for x
    x = 1,084,088,927,629.19/1,181,142.04
  6. Step 6: Final answer
    x = 917,831.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.