Home / 1,141,228.95-1,574,895.85-631,931.32

Finding the Fourth Proportional to 1,141,228.95, 1,574,895.85 and 631,931.32

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Solution

The fourth proportional to 1,141,228.95, 1,574,895.85 and 631,931.32 is: 872,065.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,141,228.95 : 1,574,895.85 = 631,931.32 : x
  2. Step 2: Convert to fraction form
    1,141,228.95/1,574,895.85 = 631,931.32/x
  3. Step 3: Cross multiply
    1,141,228.95x = 1,574,895.85 × 631,931.32
  4. Step 4: Simplify right side
    1,141,228.95x = 995,226,013,353.02
  5. Step 5: Solve for x
    x = 995,226,013,353.02/1,141,228.95
  6. Step 6: Final answer
    x = 872,065.17

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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.