Home / 1,312,030.60-1,968,045.90-470,278.60

Finding the Fourth Proportional to 1,312,030.60, 1,968,045.90 and 470,278.60

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Solution

The fourth proportional to 1,312,030.60, 1,968,045.90 and 470,278.60 is: 705,417.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,312,030.60 : 1,968,045.90 = 470,278.60 : x
  2. Step 2: Convert to fraction form
    1,312,030.60/1,968,045.90 = 470,278.60/x
  3. Step 3: Cross multiply
    1,312,030.60x = 1,968,045.90 × 470,278.60
  4. Step 4: Simplify right side
    1,312,030.60x = 925,529,870,587.74
  5. Step 5: Solve for x
    x = 925,529,870,587.74/1,312,030.60
  6. Step 6: Final answer
    x = 705,417.90

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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.