Home / 1,619,572.40-2,429,416.20-497,639.60

Finding the Fourth Proportional to 1,619,572.40, 2,429,416.20 and 497,639.60

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Solution

The fourth proportional to 1,619,572.40, 2,429,416.20 and 497,639.60 is: 746,477.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,619,572.40 : 2,429,416.20 = 497,639.60 : x
  2. Step 2: Convert to fraction form
    1,619,572.40/2,429,416.20 = 497,639.60/x
  3. Step 3: Cross multiply
    1,619,572.40x = 2,429,416.20 × 497,639.60
  4. Step 4: Simplify right side
    1,619,572.40x = 1,208,973,706,001.52
  5. Step 5: Solve for x
    x = 1,208,973,706,001.52/1,619,572.40
  6. Step 6: Final answer
    x = 746,477.10

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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.