Home / 1,421,746.23-2,132,619.35-475,116.95

Finding the Fourth Proportional to 1,421,746.23, 2,132,619.35 and 475,116.95

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Solution

The fourth proportional to 1,421,746.23, 2,132,619.35 and 475,116.95 is: 712,675.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,421,746.23 : 2,132,619.35 = 475,116.95 : x
  2. Step 2: Convert to fraction form
    1,421,746.23/2,132,619.35 = 475,116.95/x
  3. Step 3: Cross multiply
    1,421,746.23x = 2,132,619.35 × 475,116.95
  4. Step 4: Simplify right side
    1,421,746.23x = 1,013,243,599,605.00
  5. Step 5: Solve for x
    x = 1,013,243,599,605.00/1,421,746.23
  6. Step 6: Final answer
    x = 712,675.43

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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.