Home / 1,316,623.08-1,973,649.28-642,677.16

Finding the Fourth Proportional to 1,316,623.08, 1,973,649.28 and 642,677.16

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Solution

The fourth proportional to 1,316,623.08, 1,973,649.28 and 642,677.16 is: 963,388.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,316,623.08 : 1,973,649.28 = 642,677.16 : x
  2. Step 2: Convert to fraction form
    1,316,623.08/1,973,649.28 = 642,677.16/x
  3. Step 3: Cross multiply
    1,316,623.08x = 1,973,649.28 × 642,677.16
  4. Step 4: Simplify right side
    1,316,623.08x = 1,268,419,314,106.44
  5. Step 5: Solve for x
    x = 1,268,419,314,106.44/1,316,623.08
  6. Step 6: Final answer
    x = 963,388.33

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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.