Home / 1,038,864.80-1,558,588.80-506,403.20

Finding the Fourth Proportional to 1,038,864.80, 1,558,588.80 and 506,403.20

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Solution

The fourth proportional to 1,038,864.80, 1,558,588.80 and 506,403.20 is: 759,746.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,038,864.80 : 1,558,588.80 = 506,403.20 : x
  2. Step 2: Convert to fraction form
    1,038,864.80/1,558,588.80 = 506,403.20/x
  3. Step 3: Cross multiply
    1,038,864.80x = 1,558,588.80 × 506,403.20
  4. Step 4: Simplify right side
    1,038,864.80x = 789,274,355,804.16
  5. Step 5: Solve for x
    x = 789,274,355,804.16/1,038,864.80
  6. Step 6: Final answer
    x = 759,746.94

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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.