Home / 1,152,264.66-1,590,125.38-636,018.72

Finding the Fourth Proportional to 1,152,264.66, 1,590,125.38 and 636,018.72

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Solution

The fourth proportional to 1,152,264.66, 1,590,125.38 and 636,018.72 is: 877,705.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,152,264.66 : 1,590,125.38 = 636,018.72 : x
  2. Step 2: Convert to fraction form
    1,152,264.66/1,590,125.38 = 636,018.72/x
  3. Step 3: Cross multiply
    1,152,264.66x = 1,590,125.38 × 636,018.72
  4. Step 4: Simplify right side
    1,152,264.66x = 1,011,349,501,274.10
  5. Step 5: Solve for x
    x = 1,011,349,501,274.10/1,152,264.66
  6. Step 6: Final answer
    x = 877,705.91

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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.