Home / 1,605,117.10-2,408,464.59-645,534.40

Finding the Fourth Proportional to 1,605,117.10, 2,408,464.59 and 645,534.40

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Solution

The fourth proportional to 1,605,117.10, 2,408,464.59 and 645,534.40 is: 968,618.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,605,117.10 : 2,408,464.59 = 645,534.40 : x
  2. Step 2: Convert to fraction form
    1,605,117.10/2,408,464.59 = 645,534.40/x
  3. Step 3: Cross multiply
    1,605,117.10x = 2,408,464.59 × 645,534.40
  4. Step 4: Simplify right side
    1,605,117.10x = 1,554,746,744,026.90
  5. Step 5: Solve for x
    x = 1,554,746,744,026.90/1,605,117.10
  6. Step 6: Final answer
    x = 968,618.89

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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.