Home / 1,065,641.80-1,602,399.30-892,431.40

Finding the Fourth Proportional to 1,065,641.80, 1,602,399.30 and 892,431.40

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Solution

The fourth proportional to 1,065,641.80, 1,602,399.30 and 892,431.40 is: 1,341,943.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,065,641.80 : 1,602,399.30 = 892,431.40 : x
  2. Step 2: Convert to fraction form
    1,065,641.80/1,602,399.30 = 892,431.40/x
  3. Step 3: Cross multiply
    1,065,641.80x = 1,602,399.30 × 892,431.40
  4. Step 4: Simplify right side
    1,065,641.80x = 1,430,031,450,658.02
  5. Step 5: Solve for x
    x = 1,430,031,450,658.02/1,065,641.80
  6. Step 6: Final answer
    x = 1,341,943.84

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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.