Home / 1,458,045.45-2,187,068.18-858,698.10

Finding the Fourth Proportional to 1,458,045.45, 2,187,068.18 and 858,698.10

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Solution

The fourth proportional to 1,458,045.45, 2,187,068.18 and 858,698.10 is: 1,288,047.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,458,045.45 : 2,187,068.18 = 858,698.10 : x
  2. Step 2: Convert to fraction form
    1,458,045.45/2,187,068.18 = 858,698.10/x
  3. Step 3: Cross multiply
    1,458,045.45x = 2,187,068.18 × 858,698.10
  4. Step 4: Simplify right side
    1,458,045.45x = 1,878,031,286,442.97
  5. Step 5: Solve for x
    x = 1,878,031,286,442.97/1,458,045.45
  6. Step 6: Final answer
    x = 1,288,047.15

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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.