Home / 1,160,004.87-1,739,444.76-680,389.40

Finding the Fourth Proportional to 1,160,004.87, 1,739,444.76 and 680,389.40

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Solution

The fourth proportional to 1,160,004.87, 1,739,444.76 and 680,389.40 is: 1,020,254.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,160,004.87 : 1,739,444.76 = 680,389.40 : x
  2. Step 2: Convert to fraction form
    1,160,004.87/1,739,444.76 = 680,389.40/x
  3. Step 3: Cross multiply
    1,160,004.87x = 1,739,444.76 × 680,389.40
  4. Step 4: Simplify right side
    1,160,004.87x = 1,183,499,767,892.32
  5. Step 5: Solve for x
    x = 1,183,499,767,892.32/1,160,004.87
  6. Step 6: Final answer
    x = 1,020,254.14

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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.