Home / 1,224,321-1,835,429.70-425,498.76

Finding the Fourth Proportional to 1,224,321, 1,835,429.70 and 425,498.76

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Solution

The fourth proportional to 1,224,321, 1,835,429.70 and 425,498.76 is: 637,882.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,224,321 : 1,835,429.70 = 425,498.76 : x
  2. Step 2: Convert to fraction form
    1,224,321/1,835,429.70 = 425,498.76/x
  3. Step 3: Cross multiply
    1,224,321x = 1,835,429.70 × 425,498.76
  4. Step 4: Simplify right side
    1,224,321x = 780,973,061,417.17
  5. Step 5: Solve for x
    x = 780,973,061,417.17/1,224,321
  6. Step 6: Final answer
    x = 637,882.60

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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.