Home / 1,378,772.02-2,070,095.66-705,336.40

Finding the Fourth Proportional to 1,378,772.02, 2,070,095.66 and 705,336.40

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Solution

The fourth proportional to 1,378,772.02, 2,070,095.66 and 705,336.40 is: 1,058,995.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,378,772.02 : 2,070,095.66 = 705,336.40 : x
  2. Step 2: Convert to fraction form
    1,378,772.02/2,070,095.66 = 705,336.40/x
  3. Step 3: Cross multiply
    1,378,772.02x = 2,070,095.66 × 705,336.40
  4. Step 4: Simplify right side
    1,378,772.02x = 1,460,113,820,480.02
  5. Step 5: Solve for x
    x = 1,460,113,820,480.02/1,378,772.02
  6. Step 6: Final answer
    x = 1,058,995.83

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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.