Home / 864,152.10-1,296,228.15-706,688.10

Finding the Fourth Proportional to 864,152.10, 1,296,228.15 and 706,688.10

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Solution

The fourth proportional to 864,152.10, 1,296,228.15 and 706,688.10 is: 1,060,032.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    864,152.10 : 1,296,228.15 = 706,688.10 : x
  2. Step 2: Convert to fraction form
    864,152.10/1,296,228.15 = 706,688.10/x
  3. Step 3: Cross multiply
    864,152.10x = 1,296,228.15 × 706,688.10
  4. Step 4: Simplify right side
    864,152.10x = 916,029,008,490.02
  5. Step 5: Solve for x
    x = 916,029,008,490.02/864,152.10
  6. Step 6: Final answer
    x = 1,060,032.15

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Double scale
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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.