Home / 1,021,404.77-1,407,141.01-710,773.32

Finding the Fourth Proportional to 1,021,404.77, 1,407,141.01 and 710,773.32

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Solution

The fourth proportional to 1,021,404.77, 1,407,141.01 and 710,773.32 is: 979,198.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,021,404.77 : 1,407,141.01 = 710,773.32 : x
  2. Step 2: Convert to fraction form
    1,021,404.77/1,407,141.01 = 710,773.32/x
  3. Step 3: Cross multiply
    1,021,404.77x = 1,407,141.01 × 710,773.32
  4. Step 4: Simplify right side
    1,021,404.77x = 1,000,158,287,385.85
  5. Step 5: Solve for x
    x = 1,000,158,287,385.85/1,021,404.77
  6. Step 6: Final answer
    x = 979,198.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.