Home / 1,920,389.76-2,880,585.60-500,442.24

Finding the Fourth Proportional to 1,920,389.76, 2,880,585.60 and 500,442.24

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Solution

The fourth proportional to 1,920,389.76, 2,880,585.60 and 500,442.24 is: 750,663.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,920,389.76 : 2,880,585.60 = 500,442.24 : x
  2. Step 2: Convert to fraction form
    1,920,389.76/2,880,585.60 = 500,442.24/x
  3. Step 3: Cross multiply
    1,920,389.76x = 2,880,585.60 × 500,442.24
  4. Step 4: Simplify right side
    1,920,389.76x = 1,441,566,710,175.74
  5. Step 5: Solve for x
    x = 1,441,566,710,175.74/1,920,389.76
  6. Step 6: Final answer
    x = 750,663.61

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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.