Home / 1,142,279.40-1,714,075.20-432,816.60

Finding the Fourth Proportional to 1,142,279.40, 1,714,075.20 and 432,816.60

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Solution

The fourth proportional to 1,142,279.40, 1,714,075.20 and 432,816.60 is: 649,473.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,142,279.40 : 1,714,075.20 = 432,816.60 : x
  2. Step 2: Convert to fraction form
    1,142,279.40/1,714,075.20 = 432,816.60/x
  3. Step 3: Cross multiply
    1,142,279.40x = 1,714,075.20 × 432,816.60
  4. Step 4: Simplify right side
    1,142,279.40x = 741,880,200,208.32
  5. Step 5: Solve for x
    x = 741,880,200,208.32/1,142,279.40
  6. Step 6: Final answer
    x = 649,473.50

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Double scale
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Similar ratio
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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.