Home / 1,300,979.67-1,951,655.40-402,498.09

Finding the Fourth Proportional to 1,300,979.67, 1,951,655.40 and 402,498.09

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Solution

The fourth proportional to 1,300,979.67, 1,951,655.40 and 402,498.09 is: 603,804.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,300,979.67 : 1,951,655.40 = 402,498.09 : x
  2. Step 2: Convert to fraction form
    1,300,979.67/1,951,655.40 = 402,498.09/x
  3. Step 3: Cross multiply
    1,300,979.67x = 1,951,655.40 × 402,498.09
  4. Step 4: Simplify right side
    1,300,979.67x = 785,537,570,838.19
  5. Step 5: Solve for x
    x = 785,537,570,838.19/1,300,979.67
  6. Step 6: Final answer
    x = 603,804.65

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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.