Home / 1,095,545.40-1,643,318.10-505,721.40

Finding the Fourth Proportional to 1,095,545.40, 1,643,318.10 and 505,721.40

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Solution

The fourth proportional to 1,095,545.40, 1,643,318.10 and 505,721.40 is: 758,582.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,095,545.40 : 1,643,318.10 = 505,721.40 : x
  2. Step 2: Convert to fraction form
    1,095,545.40/1,643,318.10 = 505,721.40/x
  3. Step 3: Cross multiply
    1,095,545.40x = 1,643,318.10 × 505,721.40
  4. Step 4: Simplify right side
    1,095,545.40x = 831,061,130,177.34
  5. Step 5: Solve for x
    x = 831,061,130,177.34/1,095,545.40
  6. Step 6: Final answer
    x = 758,582.10

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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.