Home / 1,301,167.80-1,951,678.80-402,602.40

Finding the Fourth Proportional to 1,301,167.80, 1,951,678.80 and 402,602.40

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Solution

The fourth proportional to 1,301,167.80, 1,951,678.80 and 402,602.40 is: 603,881.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,301,167.80 : 1,951,678.80 = 402,602.40 : x
  2. Step 2: Convert to fraction form
    1,301,167.80/1,951,678.80 = 402,602.40/x
  3. Step 3: Cross multiply
    1,301,167.80x = 1,951,678.80 × 402,602.40
  4. Step 4: Simplify right side
    1,301,167.80x = 785,750,568,909.12
  5. Step 5: Solve for x
    x = 785,750,568,909.12/1,301,167.80
  6. Step 6: Final answer
    x = 603,881.04

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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.