Home / 840,491.65-1,254,182.02-749,911.78

Finding the Fourth Proportional to 840,491.65, 1,254,182.02 and 749,911.78

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Solution

The fourth proportional to 840,491.65, 1,254,182.02 and 749,911.78 is: 1,119,018.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,491.65 : 1,254,182.02 = 749,911.78 : x
  2. Step 2: Convert to fraction form
    840,491.65/1,254,182.02 = 749,911.78/x
  3. Step 3: Cross multiply
    840,491.65x = 1,254,182.02 × 749,911.78
  4. Step 4: Simplify right side
    840,491.65x = 940,525,871,062.20
  5. Step 5: Solve for x
    x = 940,525,871,062.20/840,491.65
  6. Step 6: Final answer
    x = 1,119,018.70

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.