Home / 1,384,279.40-2,076,419.10-1,048,356.20

Finding the Fourth Proportional to 1,384,279.40, 2,076,419.10 and 1,048,356.20

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Solution

The fourth proportional to 1,384,279.40, 2,076,419.10 and 1,048,356.20 is: 1,572,534.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,384,279.40 : 2,076,419.10 = 1,048,356.20 : x
  2. Step 2: Convert to fraction form
    1,384,279.40/2,076,419.10 = 1,048,356.20/x
  3. Step 3: Cross multiply
    1,384,279.40x = 2,076,419.10 × 1,048,356.20
  4. Step 4: Simplify right side
    1,384,279.40x = 2,176,826,837,283.42
  5. Step 5: Solve for x
    x = 2,176,826,837,283.42/1,384,279.40
  6. Step 6: Final answer
    x = 1,572,534.30

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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.