Home / 1,430,545.29-2,145,389.93-470,823.74

Finding the Fourth Proportional to 1,430,545.29, 2,145,389.93 and 470,823.74

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Solution

The fourth proportional to 1,430,545.29, 2,145,389.93 and 470,823.74 is: 706,094.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,430,545.29 : 2,145,389.93 = 470,823.74 : x
  2. Step 2: Convert to fraction form
    1,430,545.29/2,145,389.93 = 470,823.74/x
  3. Step 3: Cross multiply
    1,430,545.29x = 2,145,389.93 × 470,823.74
  4. Step 4: Simplify right side
    1,430,545.29x = 1,010,100,497,519.87
  5. Step 5: Solve for x
    x = 1,010,100,497,519.87/1,430,545.29
  6. Step 6: Final answer
    x = 706,094.74

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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.