Home / 1,091,072.04-1,636,331.58-459,980.84

Finding the Fourth Proportional to 1,091,072.04, 1,636,331.58 and 459,980.84

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Solution

The fourth proportional to 1,091,072.04, 1,636,331.58 and 459,980.84 is: 689,854.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,091,072.04 : 1,636,331.58 = 459,980.84 : x
  2. Step 2: Convert to fraction form
    1,091,072.04/1,636,331.58 = 459,980.84/x
  3. Step 3: Cross multiply
    1,091,072.04x = 1,636,331.58 × 459,980.84
  4. Step 4: Simplify right side
    1,091,072.04x = 752,681,174,686.93
  5. Step 5: Solve for x
    x = 752,681,174,686.93/1,091,072.04
  6. Step 6: Final answer
    x = 689,854.70

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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.