Home / 1,300,256.15-1,950,390.30-458,807.90

Finding the Fourth Proportional to 1,300,256.15, 1,950,390.30 and 458,807.90

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Solution

The fourth proportional to 1,300,256.15, 1,950,390.30 and 458,807.90 is: 688,213.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,300,256.15 : 1,950,390.30 = 458,807.90 : x
  2. Step 2: Convert to fraction form
    1,300,256.15/1,950,390.30 = 458,807.90/x
  3. Step 3: Cross multiply
    1,300,256.15x = 1,950,390.30 × 458,807.90
  4. Step 4: Simplify right side
    1,300,256.15x = 894,854,477,723.37
  5. Step 5: Solve for x
    x = 894,854,477,723.37/1,300,256.15
  6. Step 6: Final answer
    x = 688,213.99

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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.