Home / 1,418,590.40-2,127,885.60-520,030.40

Finding the Fourth Proportional to 1,418,590.40, 2,127,885.60 and 520,030.40

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Solution

The fourth proportional to 1,418,590.40, 2,127,885.60 and 520,030.40 is: 780,045.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,418,590.40 : 2,127,885.60 = 520,030.40 : x
  2. Step 2: Convert to fraction form
    1,418,590.40/2,127,885.60 = 520,030.40/x
  3. Step 3: Cross multiply
    1,418,590.40x = 2,127,885.60 × 520,030.40
  4. Step 4: Simplify right side
    1,418,590.40x = 1,106,565,199,722.24
  5. Step 5: Solve for x
    x = 1,106,565,199,722.24/1,418,590.40
  6. Step 6: Final answer
    x = 780,045.60

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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.