Home / 1,299,288.40-1,948,931.64-352,798

Finding the Fourth Proportional to 1,299,288.40, 1,948,931.64 and 352,798

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Solution

The fourth proportional to 1,299,288.40, 1,948,931.64 and 352,798 is: 529,196.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,299,288.40 : 1,948,931.64 = 352,798 : x
  2. Step 2: Convert to fraction form
    1,299,288.40/1,948,931.64 = 352,798/x
  3. Step 3: Cross multiply
    1,299,288.40x = 1,948,931.64 × 352,798
  4. Step 4: Simplify right side
    1,299,288.40x = 687,579,184,728.72
  5. Step 5: Solve for x
    x = 687,579,184,728.72/1,299,288.40
  6. Step 6: Final answer
    x = 529,196.74

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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.