Home / 1,109,762.61-1,664,717.75-390,017.27

Finding the Fourth Proportional to 1,109,762.61, 1,664,717.75 and 390,017.27

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Solution

The fourth proportional to 1,109,762.61, 1,664,717.75 and 390,017.27 is: 585,051.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,109,762.61 : 1,664,717.75 = 390,017.27 : x
  2. Step 2: Convert to fraction form
    1,109,762.61/1,664,717.75 = 390,017.27/x
  3. Step 3: Cross multiply
    1,109,762.61x = 1,664,717.75 × 390,017.27
  4. Step 4: Simplify right side
    1,109,762.61x = 649,268,661,901.87
  5. Step 5: Solve for x
    x = 649,268,661,901.87/1,109,762.61
  6. Step 6: Final answer
    x = 585,051.84

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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.