Home / 1,144,721.32-1,578,814.02-1,014,038.74

Finding the Fourth Proportional to 1,144,721.32, 1,578,814.02 and 1,014,038.74

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Solution

The fourth proportional to 1,144,721.32, 1,578,814.02 and 1,014,038.74 is: 1,398,574.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,144,721.32 : 1,578,814.02 = 1,014,038.74 : x
  2. Step 2: Convert to fraction form
    1,144,721.32/1,578,814.02 = 1,014,038.74/x
  3. Step 3: Cross multiply
    1,144,721.32x = 1,578,814.02 × 1,014,038.74
  4. Step 4: Simplify right side
    1,144,721.32x = 1,600,978,579,535.13
  5. Step 5: Solve for x
    x = 1,600,978,579,535.13/1,144,721.32
  6. Step 6: Final answer
    x = 1,398,574.96

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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.