Home / 1,585,686.69-2,378,509.34-387,619.52

Finding the Fourth Proportional to 1,585,686.69, 2,378,509.34 and 387,619.52

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Solution

The fourth proportional to 1,585,686.69, 2,378,509.34 and 387,619.52 is: 581,424.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,585,686.69 : 2,378,509.34 = 387,619.52 : x
  2. Step 2: Convert to fraction form
    1,585,686.69/2,378,509.34 = 387,619.52/x
  3. Step 3: Cross multiply
    1,585,686.69x = 2,378,509.34 × 387,619.52
  4. Step 4: Simplify right side
    1,585,686.69x = 921,956,634,855.67
  5. Step 5: Solve for x
    x = 921,956,634,855.67/1,585,686.69
  6. Step 6: Final answer
    x = 581,424.21

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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.