Home / 1,790,520.78-2,470,842.98-974,707.50

Finding the Fourth Proportional to 1,790,520.78, 2,470,842.98 and 974,707.50

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Solution

The fourth proportional to 1,790,520.78, 2,470,842.98 and 974,707.50 is: 1,345,055.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,790,520.78 : 2,470,842.98 = 974,707.50 : x
  2. Step 2: Convert to fraction form
    1,790,520.78/2,470,842.98 = 974,707.50/x
  3. Step 3: Cross multiply
    1,790,520.78x = 2,470,842.98 × 974,707.50
  4. Step 4: Simplify right side
    1,790,520.78x = 2,408,349,183,928.35
  5. Step 5: Solve for x
    x = 2,408,349,183,928.35/1,790,520.78
  6. Step 6: Final answer
    x = 1,345,055.14

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.