Home / 1,585,556.40-2,378,325.72-387,485.04

Finding the Fourth Proportional to 1,585,556.40, 2,378,325.72 and 387,485.04

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Solution

The fourth proportional to 1,585,556.40, 2,378,325.72 and 387,485.04 is: 581,225.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,585,556.40 : 2,378,325.72 = 387,485.04 : x
  2. Step 2: Convert to fraction form
    1,585,556.40/2,378,325.72 = 387,485.04/x
  3. Step 3: Cross multiply
    1,585,556.40x = 2,378,325.72 × 387,485.04
  4. Step 4: Simplify right side
    1,585,556.40x = 921,565,636,747.23
  5. Step 5: Solve for x
    x = 921,565,636,747.23/1,585,556.40
  6. Step 6: Final answer
    x = 581,225.39

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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.