Home / 1,021,720.50-1,410,018.03-569,011.50

Finding the Fourth Proportional to 1,021,720.50, 1,410,018.03 and 569,011.50

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Solution

The fourth proportional to 1,021,720.50, 1,410,018.03 and 569,011.50 is: 785,260.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,021,720.50 : 1,410,018.03 = 569,011.50 : x
  2. Step 2: Convert to fraction form
    1,021,720.50/1,410,018.03 = 569,011.50/x
  3. Step 3: Cross multiply
    1,021,720.50x = 1,410,018.03 × 569,011.50
  4. Step 4: Simplify right side
    1,021,720.50x = 802,316,474,277.35
  5. Step 5: Solve for x
    x = 802,316,474,277.35/1,021,720.50
  6. Step 6: Final answer
    x = 785,260.23

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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.