Home / 1,121,130.29-1,547,159.38-611,832.67

Finding the Fourth Proportional to 1,121,130.29, 1,547,159.38 and 611,832.67

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Solution

The fourth proportional to 1,121,130.29, 1,547,159.38 and 611,832.67 is: 844,328.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,121,130.29 : 1,547,159.38 = 611,832.67 : x
  2. Step 2: Convert to fraction form
    1,121,130.29/1,547,159.38 = 611,832.67/x
  3. Step 3: Cross multiply
    1,121,130.29x = 1,547,159.38 × 611,832.67
  4. Step 4: Simplify right side
    1,121,130.29x = 946,602,648,983.47
  5. Step 5: Solve for x
    x = 946,602,648,983.47/1,121,130.29
  6. Step 6: Final answer
    x = 844,328.85

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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.