Home / 1,029,483.12-1,420,767.18-662,288.16

Finding the Fourth Proportional to 1,029,483.12, 1,420,767.18 and 662,288.16

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Solution

The fourth proportional to 1,029,483.12, 1,420,767.18 and 662,288.16 is: 914,009.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,029,483.12 : 1,420,767.18 = 662,288.16 : x
  2. Step 2: Convert to fraction form
    1,029,483.12/1,420,767.18 = 662,288.16/x
  3. Step 3: Cross multiply
    1,029,483.12x = 1,420,767.18 × 662,288.16
  4. Step 4: Simplify right side
    1,029,483.12x = 940,957,281,430.59
  5. Step 5: Solve for x
    x = 940,957,281,430.59/1,029,483.12
  6. Step 6: Final answer
    x = 914,009.43

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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.