Home / 1,577,409.40-2,366,114.10-976,421.80

Finding the Fourth Proportional to 1,577,409.40, 2,366,114.10 and 976,421.80

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Solution

The fourth proportional to 1,577,409.40, 2,366,114.10 and 976,421.80 is: 1,464,632.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,577,409.40 : 2,366,114.10 = 976,421.80 : x
  2. Step 2: Convert to fraction form
    1,577,409.40/2,366,114.10 = 976,421.80/x
  3. Step 3: Cross multiply
    1,577,409.40x = 2,366,114.10 × 976,421.80
  4. Step 4: Simplify right side
    1,577,409.40x = 2,310,325,388,527.38
  5. Step 5: Solve for x
    x = 2,310,325,388,527.38/1,577,409.40
  6. Step 6: Final answer
    x = 1,464,632.70

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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.