Home / 1,087,063.90-1,630,089.62-403,474.70

Finding the Fourth Proportional to 1,087,063.90, 1,630,089.62 and 403,474.70

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Solution

The fourth proportional to 1,087,063.90, 1,630,089.62 and 403,474.70 is: 605,024.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,087,063.90 : 1,630,089.62 = 403,474.70 : x
  2. Step 2: Convert to fraction form
    1,087,063.90/1,630,089.62 = 403,474.70/x
  3. Step 3: Cross multiply
    1,087,063.90x = 1,630,089.62 × 403,474.70
  4. Step 4: Simplify right side
    1,087,063.90x = 657,699,920,402.61
  5. Step 5: Solve for x
    x = 657,699,920,402.61/1,087,063.90
  6. Step 6: Final answer
    x = 605,024.16

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1.5x scale

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.