Home / 1,975,631.40-2,963,447.10-479,723.40

Finding the Fourth Proportional to 1,975,631.40, 2,963,447.10 and 479,723.40

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Solution

The fourth proportional to 1,975,631.40, 2,963,447.10 and 479,723.40 is: 719,585.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,975,631.40 : 2,963,447.10 = 479,723.40 : x
  2. Step 2: Convert to fraction form
    1,975,631.40/2,963,447.10 = 479,723.40/x
  3. Step 3: Cross multiply
    1,975,631.40x = 2,963,447.10 × 479,723.40
  4. Step 4: Simplify right side
    1,975,631.40x = 1,421,634,918,532.14
  5. Step 5: Solve for x
    x = 1,421,634,918,532.14/1,975,631.40
  6. Step 6: Final answer
    x = 719,585.10

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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.