Home / 1,018,518.86-1,533,871.55-927,718.71

Finding the Fourth Proportional to 1,018,518.86, 1,533,871.55 and 927,718.71

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Solution

The fourth proportional to 1,018,518.86, 1,533,871.55 and 927,718.71 is: 1,397,128.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,018,518.86 : 1,533,871.55 = 927,718.71 : x
  2. Step 2: Convert to fraction form
    1,018,518.86/1,533,871.55 = 927,718.71/x
  3. Step 3: Cross multiply
    1,018,518.86x = 1,533,871.55 × 927,718.71
  4. Step 4: Simplify right side
    1,018,518.86x = 1,423,001,331,033.11
  5. Step 5: Solve for x
    x = 1,423,001,331,033.11/1,018,518.86
  6. Step 6: Final answer
    x = 1,397,128.12

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.