Home / 918,245.60-1,377,368.40-634,810.40

Finding the Fourth Proportional to 918,245.60, 1,377,368.40 and 634,810.40

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Solution

The fourth proportional to 918,245.60, 1,377,368.40 and 634,810.40 is: 952,215.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    918,245.60 : 1,377,368.40 = 634,810.40 : x
  2. Step 2: Convert to fraction form
    918,245.60/1,377,368.40 = 634,810.40/x
  3. Step 3: Cross multiply
    918,245.60x = 1,377,368.40 × 634,810.40
  4. Step 4: Simplify right side
    918,245.60x = 874,367,784,951.36
  5. Step 5: Solve for x
    x = 874,367,784,951.36/918,245.60
  6. Step 6: Final answer
    x = 952,215.60

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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.