Home / 1,523,421.40-2,285,140.26-458,456.20

Finding the Fourth Proportional to 1,523,421.40, 2,285,140.26 and 458,456.20

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Solution

The fourth proportional to 1,523,421.40, 2,285,140.26 and 458,456.20 is: 687,686.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,523,421.40 : 2,285,140.26 = 458,456.20 : x
  2. Step 2: Convert to fraction form
    1,523,421.40/2,285,140.26 = 458,456.20/x
  3. Step 3: Cross multiply
    1,523,421.40x = 2,285,140.26 × 458,456.20
  4. Step 4: Simplify right side
    1,523,421.40x = 1,047,636,720,066.61
  5. Step 5: Solve for x
    x = 1,047,636,720,066.61/1,523,421.40
  6. Step 6: Final answer
    x = 687,686.76

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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.