Home / 1,042,078.05-1,563,117.08-705,280.05

Finding the Fourth Proportional to 1,042,078.05, 1,563,117.08 and 705,280.05

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Solution

The fourth proportional to 1,042,078.05, 1,563,117.08 and 705,280.05 is: 1,057,920.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,042,078.05 : 1,563,117.08 = 705,280.05 : x
  2. Step 2: Convert to fraction form
    1,042,078.05/1,563,117.08 = 705,280.05/x
  3. Step 3: Cross multiply
    1,042,078.05x = 1,563,117.08 × 705,280.05
  4. Step 4: Simplify right side
    1,042,078.05x = 1,102,435,288,811.85
  5. Step 5: Solve for x
    x = 1,102,435,288,811.85/1,042,078.05
  6. Step 6: Final answer
    x = 1,057,920.08

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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.