Home / 1,727,640.80-2,590,294.80-918,159.20

Finding the Fourth Proportional to 1,727,640.80, 2,590,294.80 and 918,159.20

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Solution

The fourth proportional to 1,727,640.80, 2,590,294.80 and 918,159.20 is: 1,376,618.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,727,640.80 : 2,590,294.80 = 918,159.20 : x
  2. Step 2: Convert to fraction form
    1,727,640.80/2,590,294.80 = 918,159.20/x
  3. Step 3: Cross multiply
    1,727,640.80x = 2,590,294.80 × 918,159.20
  4. Step 4: Simplify right side
    1,727,640.80x = 2,378,303,001,332.16
  5. Step 5: Solve for x
    x = 2,378,303,001,332.16/1,727,640.80
  6. Step 6: Final answer
    x = 1,376,618.91

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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.