Home / 1,097,911.87-1,645,726.04-424,455.72

Finding the Fourth Proportional to 1,097,911.87, 1,645,726.04 and 424,455.72

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Solution

The fourth proportional to 1,097,911.87, 1,645,726.04 and 424,455.72 is: 636,242.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,097,911.87 : 1,645,726.04 = 424,455.72 : x
  2. Step 2: Convert to fraction form
    1,097,911.87/1,645,726.04 = 424,455.72/x
  3. Step 3: Cross multiply
    1,097,911.87x = 1,645,726.04 × 424,455.72
  4. Step 4: Simplify right side
    1,097,911.87x = 698,537,829,108.67
  5. Step 5: Solve for x
    x = 698,537,829,108.67/1,097,911.87
  6. Step 6: Final answer
    x = 636,242.17

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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.