Home / 1,418,590.90-2,127,886.35-520,030.90

Finding the Fourth Proportional to 1,418,590.90, 2,127,886.35 and 520,030.90

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Solution

The fourth proportional to 1,418,590.90, 2,127,886.35 and 520,030.90 is: 780,046.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,418,590.90 : 2,127,886.35 = 520,030.90 : x
  2. Step 2: Convert to fraction form
    1,418,590.90/2,127,886.35 = 520,030.90/x
  3. Step 3: Cross multiply
    1,418,590.90x = 2,127,886.35 × 520,030.90
  4. Step 4: Simplify right side
    1,418,590.90x = 1,106,566,653,688.22
  5. Step 5: Solve for x
    x = 1,106,566,653,688.22/1,418,590.90
  6. Step 6: Final answer
    x = 780,046.35

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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.