Home / 1,347,063-2,018,987.65-626,431.92

Finding the Fourth Proportional to 1,347,063, 2,018,987.65 and 626,431.92

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Solution

The fourth proportional to 1,347,063, 2,018,987.65 and 626,431.92 is: 938,900.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,347,063 : 2,018,987.65 = 626,431.92 : x
  2. Step 2: Convert to fraction form
    1,347,063/2,018,987.65 = 626,431.92/x
  3. Step 3: Cross multiply
    1,347,063x = 2,018,987.65 × 626,431.92
  4. Step 4: Simplify right side
    1,347,063x = 1,264,758,310,045.79
  5. Step 5: Solve for x
    x = 1,264,758,310,045.79/1,347,063
  6. Step 6: Final answer
    x = 938,900.64

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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.