Home / 1,480,021.60-2,219,643.42-638,386.24

Finding the Fourth Proportional to 1,480,021.60, 2,219,643.42 and 638,386.24

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Solution

The fourth proportional to 1,480,021.60, 2,219,643.42 and 638,386.24 is: 957,411.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,480,021.60 : 2,219,643.42 = 638,386.24 : x
  2. Step 2: Convert to fraction form
    1,480,021.60/2,219,643.42 = 638,386.24/x
  3. Step 3: Cross multiply
    1,480,021.60x = 2,219,643.42 × 638,386.24
  4. Step 4: Simplify right side
    1,480,021.60x = 1,416,989,817,034.54
  5. Step 5: Solve for x
    x = 1,416,989,817,034.54/1,480,021.60
  6. Step 6: Final answer
    x = 957,411.58

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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.