Home / 866,280.02-1,293,075.06-764,015.90

Finding the Fourth Proportional to 866,280.02, 1,293,075.06 and 764,015.90

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Solution

The fourth proportional to 866,280.02, 1,293,075.06 and 764,015.90 is: 1,140,427.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    866,280.02 : 1,293,075.06 = 764,015.90 : x
  2. Step 2: Convert to fraction form
    866,280.02/1,293,075.06 = 764,015.90/x
  3. Step 3: Cross multiply
    866,280.02x = 1,293,075.06 × 764,015.90
  4. Step 4: Simplify right side
    866,280.02x = 987,929,908,966.14
  5. Step 5: Solve for x
    x = 987,929,908,966.14/866,280.02
  6. Step 6: Final answer
    x = 1,140,427.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.