Home / 1,636,479.42-2,258,393.01-901,487

Finding the Fourth Proportional to 1,636,479.42, 2,258,393.01 and 901,487

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Solution

The fourth proportional to 1,636,479.42, 2,258,393.01 and 901,487 is: 1,244,080.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,636,479.42 : 2,258,393.01 = 901,487 : x
  2. Step 2: Convert to fraction form
    1,636,479.42/2,258,393.01 = 901,487/x
  3. Step 3: Cross multiply
    1,636,479.42x = 2,258,393.01 × 901,487
  4. Step 4: Simplify right side
    1,636,479.42x = 2,035,911,939,405.87
  5. Step 5: Solve for x
    x = 2,035,911,939,405.87/1,636,479.42
  6. Step 6: Final answer
    x = 1,244,080.38

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.