Home / 1,455,590.66-2,183,085.27-390,379.50

Finding the Fourth Proportional to 1,455,590.66, 2,183,085.27 and 390,379.50

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Solution

The fourth proportional to 1,455,590.66, 2,183,085.27 and 390,379.50 is: 585,488.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,455,590.66 : 2,183,085.27 = 390,379.50 : x
  2. Step 2: Convert to fraction form
    1,455,590.66/2,183,085.27 = 390,379.50/x
  3. Step 3: Cross multiply
    1,455,590.66x = 2,183,085.27 × 390,379.50
  4. Step 4: Simplify right side
    1,455,590.66x = 852,231,736,159.97
  5. Step 5: Solve for x
    x = 852,231,736,159.97/1,455,590.66
  6. Step 6: Final answer
    x = 585,488.60

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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.