Home / 912,068.40-1,368,102.60-576,145.20

Finding the Fourth Proportional to 912,068.40, 1,368,102.60 and 576,145.20

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Solution

The fourth proportional to 912,068.40, 1,368,102.60 and 576,145.20 is: 864,217.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,068.40 : 1,368,102.60 = 576,145.20 : x
  2. Step 2: Convert to fraction form
    912,068.40/1,368,102.60 = 576,145.20/x
  3. Step 3: Cross multiply
    912,068.40x = 1,368,102.60 × 576,145.20
  4. Step 4: Simplify right side
    912,068.40x = 788,225,746,097.52
  5. Step 5: Solve for x
    x = 788,225,746,097.52/912,068.40
  6. Step 6: Final answer
    x = 864,217.80

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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.