Home / 1,780,066.06-2,670,099.08-432,219.58

Finding the Fourth Proportional to 1,780,066.06, 2,670,099.08 and 432,219.58

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Solution

The fourth proportional to 1,780,066.06, 2,670,099.08 and 432,219.58 is: 648,329.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,780,066.06 : 2,670,099.08 = 432,219.58 : x
  2. Step 2: Convert to fraction form
    1,780,066.06/2,670,099.08 = 432,219.58/x
  3. Step 3: Cross multiply
    1,780,066.06x = 2,670,099.08 × 432,219.58
  4. Step 4: Simplify right side
    1,780,066.06x = 1,154,069,094,079.64
  5. Step 5: Solve for x
    x = 1,154,069,094,079.64/1,780,066.06
  6. Step 6: Final answer
    x = 648,329.36

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Double scale
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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.