Home / 1,978,064.28-2,967,543.95-630,303.66

Finding the Fourth Proportional to 1,978,064.28, 2,967,543.95 and 630,303.66

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Solution

The fourth proportional to 1,978,064.28, 2,967,543.95 and 630,303.66 is: 945,598.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,978,064.28 : 2,967,543.95 = 630,303.66 : x
  2. Step 2: Convert to fraction form
    1,978,064.28/2,967,543.95 = 630,303.66/x
  3. Step 3: Cross multiply
    1,978,064.28x = 2,967,543.95 × 630,303.66
  4. Step 4: Simplify right side
    1,978,064.28x = 1,870,453,809,744.34
  5. Step 5: Solve for x
    x = 1,870,453,809,744.34/1,978,064.28
  6. Step 6: Final answer
    x = 945,598.09

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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.