Home / 1,170,078.65-1,755,117.98-1,091,346.65

Finding the Fourth Proportional to 1,170,078.65, 1,755,117.98 and 1,091,346.65

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Solution

The fourth proportional to 1,170,078.65, 1,755,117.98 and 1,091,346.65 is: 1,637,019.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,170,078.65 : 1,755,117.98 = 1,091,346.65 : x
  2. Step 2: Convert to fraction form
    1,170,078.65/1,755,117.98 = 1,091,346.65/x
  3. Step 3: Cross multiply
    1,170,078.65x = 1,755,117.98 × 1,091,346.65
  4. Step 4: Simplify right side
    1,170,078.65x = 1,915,442,127,827.77
  5. Step 5: Solve for x
    x = 1,915,442,127,827.77/1,170,078.65
  6. Step 6: Final answer
    x = 1,637,019.98

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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.