Home / 1,097,417.96-1,645,792.14-387,280.16

Finding the Fourth Proportional to 1,097,417.96, 1,645,792.14 and 387,280.16

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Solution

The fourth proportional to 1,097,417.96, 1,645,792.14 and 387,280.16 is: 580,802.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,097,417.96 : 1,645,792.14 = 387,280.16 : x
  2. Step 2: Convert to fraction form
    1,097,417.96/1,645,792.14 = 387,280.16/x
  3. Step 3: Cross multiply
    1,097,417.96x = 1,645,792.14 × 387,280.16
  4. Step 4: Simplify right side
    1,097,417.96x = 637,382,643,305.94
  5. Step 5: Solve for x
    x = 637,382,643,305.94/1,097,417.96
  6. Step 6: Final answer
    x = 580,802.09

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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.