Home / 1,091,477.62-1,637,478.60-417,547.90

Finding the Fourth Proportional to 1,091,477.62, 1,637,478.60 and 417,547.90

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Solution

The fourth proportional to 1,091,477.62, 1,637,478.60 and 417,547.90 is: 626,422.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,091,477.62 : 1,637,478.60 = 417,547.90 : x
  2. Step 2: Convert to fraction form
    1,091,477.62/1,637,478.60 = 417,547.90/x
  3. Step 3: Cross multiply
    1,091,477.62x = 1,637,478.60 × 417,547.90
  4. Step 4: Simplify right side
    1,091,477.62x = 683,725,750,724.94
  5. Step 5: Solve for x
    x = 683,725,750,724.94/1,091,477.62
  6. Step 6: Final answer
    x = 626,422.14

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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.