Home / 1,245,000.70-1,867,501.05-704,702.35

Finding the Fourth Proportional to 1,245,000.70, 1,867,501.05 and 704,702.35

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Solution

The fourth proportional to 1,245,000.70, 1,867,501.05 and 704,702.35 is: 1,057,053.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,245,000.70 : 1,867,501.05 = 704,702.35 : x
  2. Step 2: Convert to fraction form
    1,245,000.70/1,867,501.05 = 704,702.35/x
  3. Step 3: Cross multiply
    1,245,000.70x = 1,867,501.05 × 704,702.35
  4. Step 4: Simplify right side
    1,245,000.70x = 1,316,032,378,562.47
  5. Step 5: Solve for x
    x = 1,316,032,378,562.47/1,245,000.70
  6. Step 6: Final answer
    x = 1,057,053.53

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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.