Home / 1,006,915.99-1,510,378.08-407,888.49

Finding the Fourth Proportional to 1,006,915.99, 1,510,378.08 and 407,888.49

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Solution

The fourth proportional to 1,006,915.99, 1,510,378.08 and 407,888.49 is: 611,834.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,006,915.99 : 1,510,378.08 = 407,888.49 : x
  2. Step 2: Convert to fraction form
    1,006,915.99/1,510,378.08 = 407,888.49/x
  3. Step 3: Cross multiply
    1,006,915.99x = 1,510,378.08 × 407,888.49
  4. Step 4: Simplify right side
    1,006,915.99x = 616,065,827,491.62
  5. Step 5: Solve for x
    x = 616,065,827,491.62/1,006,915.99
  6. Step 6: Final answer
    x = 611,834.39

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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.