Home / 1,021,720.86-1,410,018.53-569,011.86

Finding the Fourth Proportional to 1,021,720.86, 1,410,018.53 and 569,011.86

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Solution

The fourth proportional to 1,021,720.86, 1,410,018.53 and 569,011.86 is: 785,260.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,021,720.86 : 1,410,018.53 = 569,011.86 : x
  2. Step 2: Convert to fraction form
    1,021,720.86/1,410,018.53 = 569,011.86/x
  3. Step 3: Cross multiply
    1,021,720.86x = 1,410,018.53 × 569,011.86
  4. Step 4: Simplify right side
    1,021,720.86x = 802,317,263,544.71
  5. Step 5: Solve for x
    x = 802,317,263,544.71/1,021,720.86
  6. Step 6: Final answer
    x = 785,260.73

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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.