Home / 1,506,215.72-2,078,570.07-817,881.56

Finding the Fourth Proportional to 1,506,215.72, 2,078,570.07 and 817,881.56

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Solution

The fourth proportional to 1,506,215.72, 2,078,570.07 and 817,881.56 is: 1,128,672.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,506,215.72 : 2,078,570.07 = 817,881.56 : x
  2. Step 2: Convert to fraction form
    1,506,215.72/2,078,570.07 = 817,881.56/x
  3. Step 3: Cross multiply
    1,506,215.72x = 2,078,570.07 × 817,881.56
  4. Step 4: Simplify right side
    1,506,215.72x = 1,700,024,124,176.45
  5. Step 5: Solve for x
    x = 1,700,024,124,176.45/1,506,215.72
  6. Step 6: Final answer
    x = 1,128,672.41

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.