Home / 1,065,802.30-1,598,703.45-978,711.10

Finding the Fourth Proportional to 1,065,802.30, 1,598,703.45 and 978,711.10

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Solution

The fourth proportional to 1,065,802.30, 1,598,703.45 and 978,711.10 is: 1,468,066.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,065,802.30 : 1,598,703.45 = 978,711.10 : x
  2. Step 2: Convert to fraction form
    1,065,802.30/1,598,703.45 = 978,711.10/x
  3. Step 3: Cross multiply
    1,065,802.30x = 1,598,703.45 × 978,711.10
  4. Step 4: Simplify right side
    1,065,802.30x = 1,564,668,812,123.30
  5. Step 5: Solve for x
    x = 1,564,668,812,123.30/1,065,802.30
  6. Step 6: Final answer
    x = 1,468,066.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.