Home / 1,249,980.21-1,724,975.46-677,020.50

Finding the Fourth Proportional to 1,249,980.21, 1,724,975.46 and 677,020.50

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Solution

The fourth proportional to 1,249,980.21, 1,724,975.46 and 677,020.50 is: 934,289.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,249,980.21 : 1,724,975.46 = 677,020.50 : x
  2. Step 2: Convert to fraction form
    1,249,980.21/1,724,975.46 = 677,020.50/x
  3. Step 3: Cross multiply
    1,249,980.21x = 1,724,975.46 × 677,020.50
  4. Step 4: Simplify right side
    1,249,980.21x = 1,167,843,748,416.93
  5. Step 5: Solve for x
    x = 1,167,843,748,416.93/1,249,980.21
  6. Step 6: Final answer
    x = 934,289.79

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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.