Home / 1,109,274.65-1,664,095.93-389,429.53

Finding the Fourth Proportional to 1,109,274.65, 1,664,095.93 and 389,429.53

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Solution

The fourth proportional to 1,109,274.65, 1,664,095.93 and 389,429.53 is: 584,208.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,109,274.65 : 1,664,095.93 = 389,429.53 : x
  2. Step 2: Convert to fraction form
    1,109,274.65/1,664,095.93 = 389,429.53/x
  3. Step 3: Cross multiply
    1,109,274.65x = 1,664,095.93 × 389,429.53
  4. Step 4: Simplify right side
    1,109,274.65x = 648,048,095,894.81
  5. Step 5: Solve for x
    x = 648,048,095,894.81/1,109,274.65
  6. Step 6: Final answer
    x = 584,208.88

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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.