Home / 1,048,235.40-1,572,353.10-670,321.80

Finding the Fourth Proportional to 1,048,235.40, 1,572,353.10 and 670,321.80

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Solution

The fourth proportional to 1,048,235.40, 1,572,353.10 and 670,321.80 is: 1,005,482.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,048,235.40 : 1,572,353.10 = 670,321.80 : x
  2. Step 2: Convert to fraction form
    1,048,235.40/1,572,353.10 = 670,321.80/x
  3. Step 3: Cross multiply
    1,048,235.40x = 1,572,353.10 × 670,321.80
  4. Step 4: Simplify right side
    1,048,235.40x = 1,053,982,560,227.58
  5. Step 5: Solve for x
    x = 1,053,982,560,227.58/1,048,235.40
  6. Step 6: Final answer
    x = 1,005,482.70

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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.