Home / 1,273,437.09-1,909,498.32-374,762.16

Finding the Fourth Proportional to 1,273,437.09, 1,909,498.32 and 374,762.16

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Solution

The fourth proportional to 1,273,437.09, 1,909,498.32 and 374,762.16 is: 561,949.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,273,437.09 : 1,909,498.32 = 374,762.16 : x
  2. Step 2: Convert to fraction form
    1,273,437.09/1,909,498.32 = 374,762.16/x
  3. Step 3: Cross multiply
    1,273,437.09x = 1,909,498.32 × 374,762.16
  4. Step 4: Simplify right side
    1,273,437.09x = 715,607,714,919.57
  5. Step 5: Solve for x
    x = 715,607,714,919.57/1,273,437.09
  6. Step 6: Final answer
    x = 561,949.80

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1.5x scale

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.