Home / 1,525,438.80-2,288,085.30-514,461.60

Finding the Fourth Proportional to 1,525,438.80, 2,288,085.30 and 514,461.60

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Solution

The fourth proportional to 1,525,438.80, 2,288,085.30 and 514,461.60 is: 771,667.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,525,438.80 : 2,288,085.30 = 514,461.60 : x
  2. Step 2: Convert to fraction form
    1,525,438.80/2,288,085.30 = 514,461.60/x
  3. Step 3: Cross multiply
    1,525,438.80x = 2,288,085.30 × 514,461.60
  4. Step 4: Simplify right side
    1,525,438.80x = 1,177,132,024,374.48
  5. Step 5: Solve for x
    x = 1,177,132,024,374.48/1,525,438.80
  6. Step 6: Final answer
    x = 771,667.81

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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.