Home / 1,282,501.31-1,925,242.90-750,404.21

Finding the Fourth Proportional to 1,282,501.31, 1,925,242.90 and 750,404.21

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Solution

The fourth proportional to 1,282,501.31, 1,925,242.90 and 750,404.21 is: 1,126,478.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,282,501.31 : 1,925,242.90 = 750,404.21 : x
  2. Step 2: Convert to fraction form
    1,282,501.31/1,925,242.90 = 750,404.21/x
  3. Step 3: Cross multiply
    1,282,501.31x = 1,925,242.90 × 750,404.21
  4. Step 4: Simplify right side
    1,282,501.31x = 1,444,710,365,930.38
  5. Step 5: Solve for x
    x = 1,444,710,365,930.38/1,282,501.31
  6. Step 6: Final answer
    x = 1,126,478.67

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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.