Home / 1,313,347.56-1,970,021.76-316,075.56

Finding the Fourth Proportional to 1,313,347.56, 1,970,021.76 and 316,075.56

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Solution

The fourth proportional to 1,313,347.56, 1,970,021.76 and 316,075.56 is: 474,113.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,313,347.56 : 1,970,021.76 = 316,075.56 : x
  2. Step 2: Convert to fraction form
    1,313,347.56/1,970,021.76 = 316,075.56/x
  3. Step 3: Cross multiply
    1,313,347.56x = 1,970,021.76 × 316,075.56
  4. Step 4: Simplify right side
    1,313,347.56x = 622,675,731,004.19
  5. Step 5: Solve for x
    x = 622,675,731,004.19/1,313,347.56
  6. Step 6: Final answer
    x = 474,113.44

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1.5x scale

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.