Home / 1,073,320.40-1,609,980.60-653,416.40

Finding the Fourth Proportional to 1,073,320.40, 1,609,980.60 and 653,416.40

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Solution

The fourth proportional to 1,073,320.40, 1,609,980.60 and 653,416.40 is: 980,124.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,073,320.40 : 1,609,980.60 = 653,416.40 : x
  2. Step 2: Convert to fraction form
    1,073,320.40/1,609,980.60 = 653,416.40/x
  3. Step 3: Cross multiply
    1,073,320.40x = 1,609,980.60 × 653,416.40
  4. Step 4: Simplify right side
    1,073,320.40x = 1,051,987,727,721.84
  5. Step 5: Solve for x
    x = 1,051,987,727,721.84/1,073,320.40
  6. Step 6: Final answer
    x = 980,124.60

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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.