Home / 1,428,561.48-1,971,284.54-847,684.50

Finding the Fourth Proportional to 1,428,561.48, 1,971,284.54 and 847,684.50

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Solution

The fourth proportional to 1,428,561.48, 1,971,284.54 and 847,684.50 is: 1,169,727.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,428,561.48 : 1,971,284.54 = 847,684.50 : x
  2. Step 2: Convert to fraction form
    1,428,561.48/1,971,284.54 = 847,684.50/x
  3. Step 3: Cross multiply
    1,428,561.48x = 1,971,284.54 × 847,684.50
  4. Step 4: Simplify right side
    1,428,561.48x = 1,671,027,349,647.63
  5. Step 5: Solve for x
    x = 1,671,027,349,647.63/1,428,561.48
  6. Step 6: Final answer
    x = 1,169,727.29

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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.