Home / 1,355,075.30-1,870,056.24-743,253.85

Finding the Fourth Proportional to 1,355,075.30, 1,870,056.24 and 743,253.85

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Solution

The fourth proportional to 1,355,075.30, 1,870,056.24 and 743,253.85 is: 1,025,719.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,355,075.30 : 1,870,056.24 = 743,253.85 : x
  2. Step 2: Convert to fraction form
    1,355,075.30/1,870,056.24 = 743,253.85/x
  3. Step 3: Cross multiply
    1,355,075.30x = 1,870,056.24 × 743,253.85
  4. Step 4: Simplify right side
    1,355,075.30x = 1,389,926,496,477.76
  5. Step 5: Solve for x
    x = 1,389,926,496,477.76/1,355,075.30
  6. Step 6: Final answer
    x = 1,025,719.01

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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.