Home / 1,026,485.44-1,539,629.08-316,322.80

Finding the Fourth Proportional to 1,026,485.44, 1,539,629.08 and 316,322.80

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Solution

The fourth proportional to 1,026,485.44, 1,539,629.08 and 316,322.80 is: 474,453.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,026,485.44 : 1,539,629.08 = 316,322.80 : x
  2. Step 2: Convert to fraction form
    1,026,485.44/1,539,629.08 = 316,322.80/x
  3. Step 3: Cross multiply
    1,026,485.44x = 1,539,629.08 × 316,322.80
  4. Step 4: Simplify right side
    1,026,485.44x = 487,019,781,547.02
  5. Step 5: Solve for x
    x = 487,019,781,547.02/1,026,485.44
  6. Step 6: Final answer
    x = 474,453.67

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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.