Home / 971,919.60-1,457,879.40-618,500.40

Finding the Fourth Proportional to 971,919.60, 1,457,879.40 and 618,500.40

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Solution

The fourth proportional to 971,919.60, 1,457,879.40 and 618,500.40 is: 927,750.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,919.60 : 1,457,879.40 = 618,500.40 : x
  2. Step 2: Convert to fraction form
    971,919.60/1,457,879.40 = 618,500.40/x
  3. Step 3: Cross multiply
    971,919.60x = 1,457,879.40 × 618,500.40
  4. Step 4: Simplify right side
    971,919.60x = 901,698,992,051.76
  5. Step 5: Solve for x
    x = 901,698,992,051.76/971,919.60
  6. Step 6: Final answer
    x = 927,750.60

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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.