Home / 1,390,492.80-2,085,969.60-592,156.80

Finding the Fourth Proportional to 1,390,492.80, 2,085,969.60 and 592,156.80

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Solution

The fourth proportional to 1,390,492.80, 2,085,969.60 and 592,156.80 is: 888,333.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,390,492.80 : 2,085,969.60 = 592,156.80 : x
  2. Step 2: Convert to fraction form
    1,390,492.80/2,085,969.60 = 592,156.80/x
  3. Step 3: Cross multiply
    1,390,492.80x = 2,085,969.60 × 592,156.80
  4. Step 4: Simplify right side
    1,390,492.80x = 1,235,221,083,233.28
  5. Step 5: Solve for x
    x = 1,235,221,083,233.28/1,390,492.80
  6. Step 6: Final answer
    x = 888,333.32

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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.