Home / 1,299,130-1,948,464.96-352,574.32

Finding the Fourth Proportional to 1,299,130, 1,948,464.96 and 352,574.32

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Solution

The fourth proportional to 1,299,130, 1,948,464.96 and 352,574.32 is: 528,799.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,299,130 : 1,948,464.96 = 352,574.32 : x
  2. Step 2: Convert to fraction form
    1,299,130/1,948,464.96 = 352,574.32/x
  3. Step 3: Cross multiply
    1,299,130x = 1,948,464.96 × 352,574.32
  4. Step 4: Simplify right side
    1,299,130x = 686,978,708,315.83
  5. Step 5: Solve for x
    x = 686,978,708,315.83/1,299,130
  6. Step 6: Final answer
    x = 528,799.05

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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.