Home / 1,516,328.16-2,275,279.44-618,428.64

Finding the Fourth Proportional to 1,516,328.16, 2,275,279.44 and 618,428.64

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Solution

The fourth proportional to 1,516,328.16, 2,275,279.44 and 618,428.64 is: 927,964.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,516,328.16 : 2,275,279.44 = 618,428.64 : x
  2. Step 2: Convert to fraction form
    1,516,328.16/2,275,279.44 = 618,428.64/x
  3. Step 3: Cross multiply
    1,516,328.16x = 2,275,279.44 × 618,428.64
  4. Step 4: Simplify right side
    1,516,328.16x = 1,407,097,969,699.16
  5. Step 5: Solve for x
    x = 1,407,097,969,699.16/1,516,328.16
  6. Step 6: Final answer
    x = 927,964.02

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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.