Home / 918,153.60-1,377,230.40-634,718.40

Finding the Fourth Proportional to 918,153.60, 1,377,230.40 and 634,718.40

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Solution

The fourth proportional to 918,153.60, 1,377,230.40 and 634,718.40 is: 952,077.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    918,153.60 : 1,377,230.40 = 634,718.40 : x
  2. Step 2: Convert to fraction form
    918,153.60/1,377,230.40 = 634,718.40/x
  3. Step 3: Cross multiply
    918,153.60x = 1,377,230.40 × 634,718.40
  4. Step 4: Simplify right side
    918,153.60x = 874,153,475,919.36
  5. Step 5: Solve for x
    x = 874,153,475,919.36/918,153.60
  6. Step 6: Final answer
    x = 952,077.60

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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.