Home / 1,069,389.40-1,604,429.70-714,803.80

Finding the Fourth Proportional to 1,069,389.40, 1,604,429.70 and 714,803.80

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Solution

The fourth proportional to 1,069,389.40, 1,604,429.70 and 714,803.80 is: 1,072,436.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,069,389.40 : 1,604,429.70 = 714,803.80 : x
  2. Step 2: Convert to fraction form
    1,069,389.40/1,604,429.70 = 714,803.80/x
  3. Step 3: Cross multiply
    1,069,389.40x = 1,604,429.70 × 714,803.80
  4. Step 4: Simplify right side
    1,069,389.40x = 1,146,852,446,392.86
  5. Step 5: Solve for x
    x = 1,146,852,446,392.86/1,069,389.40
  6. Step 6: Final answer
    x = 1,072,436.71

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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.