Home / 1,289,566.08-1,779,588.36-716,594.22

Finding the Fourth Proportional to 1,289,566.08, 1,779,588.36 and 716,594.22

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Solution

The fourth proportional to 1,289,566.08, 1,779,588.36 and 716,594.22 is: 988,892.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,289,566.08 : 1,779,588.36 = 716,594.22 : x
  2. Step 2: Convert to fraction form
    1,289,566.08/1,779,588.36 = 716,594.22/x
  3. Step 3: Cross multiply
    1,289,566.08x = 1,779,588.36 × 716,594.22
  4. Step 4: Simplify right side
    1,289,566.08x = 1,275,242,732,755.28
  5. Step 5: Solve for x
    x = 1,275,242,732,755.28/1,289,566.08
  6. Step 6: Final answer
    x = 988,892.89

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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.