Home / 1,315,893.40-1,973,840.10-567,939.40

Finding the Fourth Proportional to 1,315,893.40, 1,973,840.10 and 567,939.40

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Solution

The fourth proportional to 1,315,893.40, 1,973,840.10 and 567,939.40 is: 851,909.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,315,893.40 : 1,973,840.10 = 567,939.40 : x
  2. Step 2: Convert to fraction form
    1,315,893.40/1,973,840.10 = 567,939.40/x
  3. Step 3: Cross multiply
    1,315,893.40x = 1,973,840.10 × 567,939.40
  4. Step 4: Simplify right side
    1,315,893.40x = 1,121,021,562,089.94
  5. Step 5: Solve for x
    x = 1,121,021,562,089.94/1,315,893.40
  6. Step 6: Final answer
    x = 851,909.10

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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.