Home / 1,260,011.85-1,890,024.63-313,382.58

Finding the Fourth Proportional to 1,260,011.85, 1,890,024.63 and 313,382.58

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Solution

The fourth proportional to 1,260,011.85, 1,890,024.63 and 313,382.58 is: 470,075.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,260,011.85 : 1,890,024.63 = 313,382.58 : x
  2. Step 2: Convert to fraction form
    1,260,011.85/1,890,024.63 = 313,382.58/x
  3. Step 3: Cross multiply
    1,260,011.85x = 1,890,024.63 × 313,382.58
  4. Step 4: Simplify right side
    1,260,011.85x = 592,300,794,812.95
  5. Step 5: Solve for x
    x = 592,300,794,812.95/1,260,011.85
  6. Step 6: Final answer
    x = 470,075.57

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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.