Home / 920,053.40-1,377,455.70-815,077.40

Finding the Fourth Proportional to 920,053.40, 1,377,455.70 and 815,077.40

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Solution

The fourth proportional to 920,053.40, 1,377,455.70 and 815,077.40 is: 1,220,291.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    920,053.40 : 1,377,455.70 = 815,077.40 : x
  2. Step 2: Convert to fraction form
    920,053.40/1,377,455.70 = 815,077.40/x
  3. Step 3: Cross multiply
    920,053.40x = 1,377,455.70 × 815,077.40
  4. Step 4: Simplify right side
    920,053.40x = 1,122,733,010,571.18
  5. Step 5: Solve for x
    x = 1,122,733,010,571.18/920,053.40
  6. Step 6: Final answer
    x = 1,220,291.14

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1.5x scale

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.