Home / 1,020,510.99-1,531,712.34-515,426.67

Finding the Fourth Proportional to 1,020,510.99, 1,531,712.34 and 515,426.67

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Solution

The fourth proportional to 1,020,510.99, 1,531,712.34 and 515,426.67 is: 773,617.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,020,510.99 : 1,531,712.34 = 515,426.67 : x
  2. Step 2: Convert to fraction form
    1,020,510.99/1,531,712.34 = 515,426.67/x
  3. Step 3: Cross multiply
    1,020,510.99x = 1,531,712.34 × 515,426.67
  4. Step 4: Simplify right side
    1,020,510.99x = 789,485,390,804.11
  5. Step 5: Solve for x
    x = 789,485,390,804.11/1,020,510.99
  6. Step 6: Final answer
    x = 773,617.73

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Double scale
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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.