Home / 1,047,475.87-1,570,927.05-289,136.05

Finding the Fourth Proportional to 1,047,475.87, 1,570,927.05 and 289,136.05

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Solution

The fourth proportional to 1,047,475.87, 1,570,927.05 and 289,136.05 is: 433,624.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,047,475.87 : 1,570,927.05 = 289,136.05 : x
  2. Step 2: Convert to fraction form
    1,047,475.87/1,570,927.05 = 289,136.05/x
  3. Step 3: Cross multiply
    1,047,475.87x = 1,570,927.05 × 289,136.05
  4. Step 4: Simplify right side
    1,047,475.87x = 454,211,642,075.15
  5. Step 5: Solve for x
    x = 454,211,642,075.15/1,047,475.87
  6. Step 6: Final answer
    x = 433,624.92

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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.