Home / 1,355,753.80-1,871,106.17-782,793.01

Finding the Fourth Proportional to 1,355,753.80, 1,871,106.17 and 782,793.01

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Solution

The fourth proportional to 1,355,753.80, 1,871,106.17 and 782,793.01 is: 1,080,350.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,355,753.80 : 1,871,106.17 = 782,793.01 : x
  2. Step 2: Convert to fraction form
    1,355,753.80/1,871,106.17 = 782,793.01/x
  3. Step 3: Cross multiply
    1,355,753.80x = 1,871,106.17 × 782,793.01
  4. Step 4: Simplify right side
    1,355,753.80x = 1,464,688,817,574.38
  5. Step 5: Solve for x
    x = 1,464,688,817,574.38/1,355,753.80
  6. Step 6: Final answer
    x = 1,080,350.15

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.