Home / 1,447,359.90-1,997,595.81-802,987.70

Finding the Fourth Proportional to 1,447,359.90, 1,997,595.81 and 802,987.70

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Solution

The fourth proportional to 1,447,359.90, 1,997,595.81 and 802,987.70 is: 1,108,255.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,447,359.90 : 1,997,595.81 = 802,987.70 : x
  2. Step 2: Convert to fraction form
    1,447,359.90/1,997,595.81 = 802,987.70/x
  3. Step 3: Cross multiply
    1,447,359.90x = 1,997,595.81 × 802,987.70
  4. Step 4: Simplify right side
    1,447,359.90x = 1,604,044,855,013.56
  5. Step 5: Solve for x
    x = 1,604,044,855,013.56/1,447,359.90
  6. Step 6: Final answer
    x = 1,108,255.70

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.