Home / 1,699,986.70-2,549,980.05-578,055.70

Finding the Fourth Proportional to 1,699,986.70, 2,549,980.05 and 578,055.70

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Solution

The fourth proportional to 1,699,986.70, 2,549,980.05 and 578,055.70 is: 867,083.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,699,986.70 : 2,549,980.05 = 578,055.70 : x
  2. Step 2: Convert to fraction form
    1,699,986.70/2,549,980.05 = 578,055.70/x
  3. Step 3: Cross multiply
    1,699,986.70x = 2,549,980.05 × 578,055.70
  4. Step 4: Simplify right side
    1,699,986.70x = 1,474,030,502,788.78
  5. Step 5: Solve for x
    x = 1,474,030,502,788.78/1,699,986.70
  6. Step 6: Final answer
    x = 867,083.55

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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.