Home / 1,620,005.60-2,430,008.40-497,928.80

Finding the Fourth Proportional to 1,620,005.60, 2,430,008.40 and 497,928.80

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Solution

The fourth proportional to 1,620,005.60, 2,430,008.40 and 497,928.80 is: 746,893.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,620,005.60 : 2,430,008.40 = 497,928.80 : x
  2. Step 2: Convert to fraction form
    1,620,005.60/2,430,008.40 = 497,928.80/x
  3. Step 3: Cross multiply
    1,620,005.60x = 2,430,008.40 × 497,928.80
  4. Step 4: Simplify right side
    1,620,005.60x = 1,209,971,166,601.92
  5. Step 5: Solve for x
    x = 1,209,971,166,601.92/1,620,005.60
  6. Step 6: Final answer
    x = 746,893.20

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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.