Home / 1,124,490-1,686,706.98-526,120.68

Finding the Fourth Proportional to 1,124,490, 1,686,706.98 and 526,120.68

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Solution

The fourth proportional to 1,124,490, 1,686,706.98 and 526,120.68 is: 789,167.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,124,490 : 1,686,706.98 = 526,120.68 : x
  2. Step 2: Convert to fraction form
    1,124,490/1,686,706.98 = 526,120.68/x
  3. Step 3: Cross multiply
    1,124,490x = 1,686,706.98 × 526,120.68
  4. Step 4: Simplify right side
    1,124,490x = 887,411,423,278.35
  5. Step 5: Solve for x
    x = 887,411,423,278.35/1,124,490
  6. Step 6: Final answer
    x = 789,167.91

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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.