Home / 1,225,980.90-1,839,040.54-373,080.40

Finding the Fourth Proportional to 1,225,980.90, 1,839,040.54 and 373,080.40

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Solution

The fourth proportional to 1,225,980.90, 1,839,040.54 and 373,080.40 is: 559,641.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,225,980.90 : 1,839,040.54 = 373,080.40 : x
  2. Step 2: Convert to fraction form
    1,225,980.90/1,839,040.54 = 373,080.40/x
  3. Step 3: Cross multiply
    1,225,980.90x = 1,839,040.54 × 373,080.40
  4. Step 4: Simplify right side
    1,225,980.90x = 686,109,974,749.11
  5. Step 5: Solve for x
    x = 686,109,974,749.11/1,225,980.90
  6. Step 6: Final answer
    x = 559,641.65

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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.