Home / 1,154,545.74-1,593,275.43-645,248.10

Finding the Fourth Proportional to 1,154,545.74, 1,593,275.43 and 645,248.10

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Solution

The fourth proportional to 1,154,545.74, 1,593,275.43 and 645,248.10 is: 890,443.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,154,545.74 : 1,593,275.43 = 645,248.10 : x
  2. Step 2: Convert to fraction form
    1,154,545.74/1,593,275.43 = 645,248.10/x
  3. Step 3: Cross multiply
    1,154,545.74x = 1,593,275.43 × 645,248.10
  4. Step 4: Simplify right side
    1,154,545.74x = 1,028,057,943,984.18
  5. Step 5: Solve for x
    x = 1,028,057,943,984.18/1,154,545.74
  6. Step 6: Final answer
    x = 890,443.67

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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.