Home / 1,275,384.70-1,913,021.70-476,673.16

Finding the Fourth Proportional to 1,275,384.70, 1,913,021.70 and 476,673.16

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Solution

The fourth proportional to 1,275,384.70, 1,913,021.70 and 476,673.16 is: 714,989.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,275,384.70 : 1,913,021.70 = 476,673.16 : x
  2. Step 2: Convert to fraction form
    1,275,384.70/1,913,021.70 = 476,673.16/x
  3. Step 3: Cross multiply
    1,275,384.70x = 1,913,021.70 × 476,673.16
  4. Step 4: Simplify right side
    1,275,384.70x = 911,886,098,887.57
  5. Step 5: Solve for x
    x = 911,886,098,887.57/1,275,384.70
  6. Step 6: Final answer
    x = 714,989.05

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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.