Home / 1,237,239.04-1,855,928.40-384,431.80

Finding the Fourth Proportional to 1,237,239.04, 1,855,928.40 and 384,431.80

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Solution

The fourth proportional to 1,237,239.04, 1,855,928.40 and 384,431.80 is: 576,669.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,237,239.04 : 1,855,928.40 = 384,431.80 : x
  2. Step 2: Convert to fraction form
    1,237,239.04/1,855,928.40 = 384,431.80/x
  3. Step 3: Cross multiply
    1,237,239.04x = 1,855,928.40 × 384,431.80
  4. Step 4: Simplify right side
    1,237,239.04x = 713,477,895,483.12
  5. Step 5: Solve for x
    x = 713,477,895,483.12/1,237,239.04
  6. Step 6: Final answer
    x = 576,669.40

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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.