Home / 1,262,089.08-1,741,670.10-778,460.76

Finding the Fourth Proportional to 1,262,089.08, 1,741,670.10 and 778,460.76

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Solution

The fourth proportional to 1,262,089.08, 1,741,670.10 and 778,460.76 is: 1,074,267.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,262,089.08 : 1,741,670.10 = 778,460.76 : x
  2. Step 2: Convert to fraction form
    1,262,089.08/1,741,670.10 = 778,460.76/x
  3. Step 3: Cross multiply
    1,262,089.08x = 1,741,670.10 × 778,460.76
  4. Step 4: Simplify right side
    1,262,089.08x = 1,355,821,829,715.28
  5. Step 5: Solve for x
    x = 1,355,821,829,715.28/1,262,089.08
  6. Step 6: Final answer
    x = 1,074,267.93

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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.